https://www.sciencedaily.com/news/space_time/extrasolar_planets/ Extrasolar Planet News. Astronomers discover extrasolar planets in a nearby star system. Could extrasolar planets support life? Images, full-text articles. Free. en-us Sun, 19 Apr 2026 09:32:06 EDT Sun, 19 Apr 2026 09:32:06 EDT 60 https://www.sciencedaily.com/images/scidaily-logo-rss.png https://www.sciencedaily.com/news/space_time/extrasolar_planets/ For more science news, visit ScienceDaily. https://www.sciencedaily.com/releases/2026/04/260417224507.htm Astronomers have long been puzzled by a cosmic mystery: planets orbiting two stars—like Star Wars’ Tatooine—are surprisingly rare, even though they should be common. New research suggests the culprit is none other than Einstein’s theory of general relativity. Sun, 19 Apr 2026 06:17:19 EDT https://www.sciencedaily.com/releases/2026/04/260417224507.htm https://www.sciencedaily.com/releases/2026/04/260415043607.htm A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time. If life spreads and changes planetary environments, it could leave behind statistical clues linking planets together. These patterns may reveal life even when traditional biosignatures are unclear or misleading. The method could help scientists prioritize which planets are most likely to host life. Wed, 15 Apr 2026 08:17:34 EDT https://www.sciencedaily.com/releases/2026/04/260415043607.htm https://www.sciencedaily.com/releases/2026/04/260406192917.htm Earth may have won a cosmic chemistry lottery. Researchers found that during the planet’s earliest formation, oxygen had to be in an extremely narrow “Goldilocks zone” for two life-essential elements, phosphorus and nitrogen, to stay where life could use them. Too much or too little oxygen, and those ingredients could be lost or trapped deep inside the planet. This could reshape the search for life by showing that water alone is not enough. Mon, 06 Apr 2026 23:36:59 EDT https://www.sciencedaily.com/releases/2026/04/260406192917.htm https://www.sciencedaily.com/releases/2026/04/260406192905.htm A strange “forbidden” planet spotted by the James Webb Space Telescope is turning planetary science on its head. TOI-5205 b, a Jupiter-sized world orbiting a small, cool star, has an atmosphere surprisingly poor in heavy elements—even less enriched than its own star, which defies current theories of how giant planets form. Mon, 06 Apr 2026 23:28:14 EDT https://www.sciencedaily.com/releases/2026/04/260406192905.htm https://www.sciencedaily.com/releases/2026/04/260403224454.htm Dying stars may be wiping out nearby giant planets as they expand into red giants. Astronomers found that these close-in planets become increasingly rare around more evolved stars, suggesting many have already been swallowed. The likely cause is a gravitational tug that drags planets inward until they break apart or fall into the star. It’s a dramatic glimpse into the chaotic final stages of planetary systems. Sat, 04 Apr 2026 04:21:18 EDT https://www.sciencedaily.com/releases/2026/04/260403224454.htm https://www.sciencedaily.com/releases/2026/04/260403224450.htm A group of undergraduate students stumbled into a cosmic time capsule—one of the oldest stars ever discovered—while combing through massive astronomy datasets. What began as a class project quickly turned into a breakthrough when they spotted an extraordinarily “pristine” star made almost entirely of hydrogen and helium, hinting it formed near the dawn of the universe. Sat, 04 Apr 2026 04:07:31 EDT https://www.sciencedaily.com/releases/2026/04/260403224450.htm https://www.sciencedaily.com/releases/2026/04/260403002014.htm Saturn’s magnetic field isn’t the smooth, symmetrical shield scientists see around Earth. Instead, it’s noticeably skewed, and researchers now think they understand why. By analyzing years of data from the Cassini spacecraft, scientists found that a key region where solar particles enter Saturn’s atmosphere is consistently shifted to one side. This distortion appears to be driven by the planet’s rapid spin combined with a thick cloud of charged particles coming from its moon Enceladus. Fri, 03 Apr 2026 20:44:51 EDT https://www.sciencedaily.com/releases/2026/04/260403002014.htm https://www.sciencedaily.com/releases/2026/03/260326075618.htm Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in starlight turned out to be massive rings of plasma swirling in the stars’ magnetic fields. These structures act like built-in space weather monitors, revealing how energetic particles affect nearby planets. The findings could reshape how we think about whether planets around these common stars can survive—or even host life. Fri, 27 Mar 2026 04:53:17 EDT https://www.sciencedaily.com/releases/2026/03/260326075618.htm https://www.sciencedaily.com/releases/2026/03/260325041723.htm A star you can see with the naked eye has kept astronomers guessing for decades with its unusually powerful X-rays. Now, thanks to highly precise observations from Japan’s XRISM space telescope, scientists have finally uncovered the source: a hidden white dwarf companion pulling in material and generating extreme heat. This discovery not only solves a 50-year-old mystery surrounding Gamma Cassiopeiae, but also confirms the existence of a long-predicted type of binary star system. Wed, 25 Mar 2026 04:51:37 EDT https://www.sciencedaily.com/releases/2026/03/260325041723.htm https://www.sciencedaily.com/releases/2026/03/260325005926.htm Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new data from ESA’s Gaia mission and NASA archives, researchers pinpointed worlds in the “habitable zone,” where temperatures could allow liquid water to exist. Some of the most intriguing targets include nearby systems like TRAPPIST-1 and Proxima Centauri, offering tantalizing possibilities just dozens of light-years away. Wed, 25 Mar 2026 03:56:19 EDT https://www.sciencedaily.com/releases/2026/03/260325005926.htm https://www.sciencedaily.com/releases/2026/03/260324024300.htm Astronomers have finally cracked a decades-old mystery about red giant stars—how material from their deep interiors makes its way to the surface. Using cutting-edge supercomputer simulations, researchers discovered that stellar rotation plays a powerful role in mixing elements across a previously unexplained barrier inside the star. Tue, 24 Mar 2026 07:52:48 EDT https://www.sciencedaily.com/releases/2026/03/260324024300.htm https://www.sciencedaily.com/releases/2026/03/260322020255.htm Astronomers have uncovered surprising evidence of a thick atmosphere surrounding TOI-561 b, a scorching, fast-orbiting rocky planet once thought too extreme to hold onto any gas. Using NASA’s James Webb Space Telescope, researchers found the planet is far cooler than expected for a bare rock, hinting at a heat-distributing atmosphere above a churning magma ocean. This strange world—where a year lasts just over 10 hours and one side is locked in eternal daylight—may even be rich in volatile materials, behaving like a “wet lava ball.” Sun, 22 Mar 2026 04:19:46 EDT https://www.sciencedaily.com/releases/2026/03/260322020255.htm https://www.sciencedaily.com/releases/2026/03/260317190802.htm Astronomers have identified a strange new kind of exoplanet that challenges how scientists classify worlds beyond our Solar System. The planet, L 98-59 d, appears to contain a vast ocean of molten rock beneath its surface that traps large amounts of sulfur deep inside. Observations from the James Webb Space Telescope revealed unusual sulfur-rich gases in its atmosphere and a surprisingly low density for its size. Tue, 17 Mar 2026 19:13:24 EDT https://www.sciencedaily.com/releases/2026/03/260317190802.htm https://www.sciencedaily.com/releases/2026/03/260317064449.htm Kepler-51d is a giant, ultra-light “super-puff” planet wrapped in an unusually thick haze that’s blocking scientists from seeing what it’s made of. Observations from JWST revealed that this haze may be one of the largest ever detected, possibly stretching as wide as Earth itself. The planet’s low density and close orbit don’t match existing models of how gas giants form or survive. Now, researchers are left with more questions than answers about how such a strange world came to be. Wed, 18 Mar 2026 00:47:28 EDT https://www.sciencedaily.com/releases/2026/03/260317064449.htm https://www.sciencedaily.com/releases/2026/03/260314030452.htm Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a frozen desert. NASA’s twin-spacecraft ESCAPADE mission aims to watch this process in action by measuring how the solar wind interacts with Mars’ fragile magnetic environment. The findings could reveal how Mars lost its habitability—and help prepare humans for future missions there. Sat, 14 Mar 2026 03:04:52 EDT https://www.sciencedaily.com/releases/2026/03/260314030452.htm https://www.sciencedaily.com/releases/2026/03/260311213429.htm Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they realized the strange dimming was caused by vast clouds of hot dust and debris drifting across the star. The most likely explanation is a violent planetary collision—two worlds smashing together and scattering glowing material throughout the system. Wed, 11 Mar 2026 23:08:41 EDT https://www.sciencedaily.com/releases/2026/03/260311213429.htm https://www.sciencedaily.com/releases/2026/02/260222085206.htm Far beyond Neptune, in the frozen depths of the Kuiper Belt, many ancient objects oddly resemble giant snowmen made of ice and rock. For years, scientists wondered how these delicate two-lobed shapes could form without violent collisions tearing them apart. Now researchers at Michigan State University have recreated the process in a powerful new simulation, showing that simple gravitational collapse can naturally produce these cosmic “snowmen.” Mon, 23 Feb 2026 02:47:10 EST https://www.sciencedaily.com/releases/2026/02/260222085206.htm https://www.sciencedaily.com/releases/2026/02/260213223857.htm Astronomers have uncovered a distant planetary system that flips a long-standing rule of planet formation on its head. Around the small red dwarf star LHS 1903, scientists expected to find rocky planets close in and gas giants farther out — the same pattern seen in our own Solar System and hundreds of others. And at first, that’s exactly what they saw. But new observations revealed a surprise: the outermost planet appears to be rocky, not gaseous. Fri, 13 Feb 2026 22:38:57 EST https://www.sciencedaily.com/releases/2026/02/260213223857.htm https://www.sciencedaily.com/releases/2026/02/260213223855.htm A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a slow-motion cosmic fade-out. The leftover debris continues to glow in infrared light, offering a long-lasting signal of the black hole’s birth. The finding reshapes our understanding of how some of the universe’s biggest stars meet their end. Sat, 14 Feb 2026 00:42:40 EST https://www.sciencedaily.com/releases/2026/02/260213223855.htm https://www.sciencedaily.com/releases/2026/02/260212234205.htm A dazzling new Hubble image peels back the layers of the mysterious Egg Nebula, a rare and fleeting phase in a Sun-like star’s death just 1,000 light-years away. Hidden inside a dense cocoon of dust, the dying star blasts twin beams of light through a polar opening, carving glowing lobes and delicate ripples into the surrounding cloud. These striking, symmetrical arcs hint that unseen companion stars may be shaping the spectacle from within. Fri, 13 Feb 2026 07:48:37 EST https://www.sciencedaily.com/releases/2026/02/260212234205.htm https://www.sciencedaily.com/releases/2026/02/260212025607.htm A newly identified planet candidate, HD 137010 b, looks strikingly Earth-like in size and orbit — but it may be colder than Mars due to its dimmer star. If it has a thick enough atmosphere, though, this icy world could still surprise us. Thu, 12 Feb 2026 08:32:43 EST https://www.sciencedaily.com/releases/2026/02/260212025607.htm https://www.sciencedaily.com/releases/2026/02/260211073047.htm For millions of years, a frozen wanderer drifted between the stars before slipping into our solar system as 3I/ATLAS—only the third known interstellar comet ever spotted. When scientists turned NASA’s Swift Observatory toward it, they caught the first-ever hint of water from such an object, detected through a faint ultraviolet glow of hydroxyl gas. Even more surprising, the comet was blasting out water at a rate of about 40 kilograms per second while still far from the Sun—much farther than where most comets “switch on.” Wed, 11 Feb 2026 09:08:24 EST https://www.sciencedaily.com/releases/2026/02/260211073047.htm https://www.sciencedaily.com/releases/2026/02/260211073019.htm A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed like Jupiter, by slowly building solid cores. That’s unexpected because these planets are far bigger and orbit much farther from their star than models once allowed. Wed, 11 Feb 2026 07:30:19 EST https://www.sciencedaily.com/releases/2026/02/260211073019.htm https://www.sciencedaily.com/releases/2026/01/260131084138.htm Jupiter’s swirling storms have concealed its true makeup for centuries, but a new model is finally peeling back the clouds. Researchers found the planet likely holds significantly more oxygen than the Sun, a key clue to how Jupiter—and the rest of the solar system—came together. The study also reveals that gases move through Jupiter’s atmosphere much more slowly than scientists once thought. Together, the findings reshape our understanding of the solar system’s largest planet. Sat, 31 Jan 2026 10:28:57 EST https://www.sciencedaily.com/releases/2026/01/260131084138.htm https://www.sciencedaily.com/releases/2026/01/260131084135.htm A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four massive but extremely low-density worlds orbiting the star appear to be inflated precursors of super-Earths and sub-Neptunes. By watching how the planets subtly tug on one another, scientists measured their masses and confirmed they are far puffier than expected. The system reveals how these planets dramatically shrink and transform as they age. Sat, 31 Jan 2026 10:16:06 EST https://www.sciencedaily.com/releases/2026/01/260131084135.htm https://www.sciencedaily.com/releases/2026/01/260128075355.htm JWST has revealed a strange early universe filled with ultra-bright “blue monster” galaxies, mysterious “little red dots,” and black holes that seem far too massive for their age. A new study proposes that dark stars—hypothetical stars powered by dark matter—could tie all these surprises together. These exotic objects may have grown huge very quickly, lighting up the early cosmos and planting the seeds of supermassive black holes. Wed, 28 Jan 2026 10:05:20 EST https://www.sciencedaily.com/releases/2026/01/260128075355.htm https://www.sciencedaily.com/releases/2026/01/260127112129.htm For the first time, astronomers have captured radio signals from a rare exploding star, exposing what happened in the years leading up to its death. The radio waves reveal that the star violently shed huge amounts of material shortly before it exploded, likely due to interaction with a nearby companion star. This discovery gives scientists a new tool to rewind the clock on stellar deaths. It also shows that some supernovae are far more dramatic in their final moments than previously thought. Wed, 28 Jan 2026 01:24:54 EST https://www.sciencedaily.com/releases/2026/01/260127112129.htm https://www.sciencedaily.com/releases/2026/01/260126075846.htm Webb’s latest image of the Helix Nebula reveals a dramatic close-up of a dying star shedding its outer layers. The detailed view highlights glowing knots of gas shaped by fast-moving stellar winds colliding with older material. Changes in color trace a shift from scorching hot gas near the center to cooler regions farther out. The scene captures how stellar death helps supply the building blocks for future worlds. Mon, 26 Jan 2026 08:32:26 EST https://www.sciencedaily.com/releases/2026/01/260126075846.htm https://www.sciencedaily.com/releases/2026/01/260124003813.htm A distant Sun-like star suddenly went dark for months, stunning astronomers who quickly realized something massive was passing in front of it. Observations revealed a gigantic disk of gas and dust filled with vaporized metals, swirling around an unseen companion object. For the first time, scientists directly measured the motion of these metallic winds inside such a disk. The findings suggest that even ancient star systems can still experience catastrophic planetary smashups. Sat, 24 Jan 2026 22:45:03 EST https://www.sciencedaily.com/releases/2026/01/260124003813.htm https://www.sciencedaily.com/releases/2026/01/260121034125.htm New experiments reveal that protein precursors can form naturally in deep space under extreme cold and radiation. Scientists found that simple amino acids bond into peptides on interstellar dust, long before stars and planets exist. This challenges the idea that complex life chemistry only happens on planets. It also boosts the odds that life-friendly ingredients are widespread across the universe. Wed, 21 Jan 2026 09:18:29 EST https://www.sciencedaily.com/releases/2026/01/260121034125.htm https://www.sciencedaily.com/releases/2026/01/260121034114.htm Solar Orbiter has captured the clearest evidence yet that a solar flare grows through a cascading “magnetic avalanche.” Small, weak magnetic disturbances rapidly multiplied, triggering stronger and stronger explosions that accelerated particles to extreme speeds. The process produced streams of glowing plasma blobs that rained through the Sun’s atmosphere long after the flare itself. Wed, 21 Jan 2026 03:41:14 EST https://www.sciencedaily.com/releases/2026/01/260121034114.htm https://www.sciencedaily.com/releases/2026/01/260120000311.htm Astronomers have captured the most dramatic view yet of a planet losing its atmosphere, watching the ultra-hot gas giant WASP-121b for an entire orbit with the James Webb Space Telescope. Instead of a single stream of escaping gas, the planet is wrapped in two colossal helium tails—one trailing behind like a comet, the other stretching ahead toward its star. Tue, 20 Jan 2026 08:01:33 EST https://www.sciencedaily.com/releases/2026/01/260120000311.htm https://www.sciencedaily.com/releases/2026/01/260118064633.htm A huge bar of iron has been discovered lurking inside the iconic Ring Nebula. The structure is enormous, spanning hundreds of times the size of Pluto’s orbit and containing a Mars-sized amount of iron. It was detected using a new instrument that allowed astronomers to map the nebula in far greater detail than ever before. The origin of the iron bar is still a mystery, with one theory suggesting it could be the remains of a vaporized planet. Sun, 18 Jan 2026 10:24:20 EST https://www.sciencedaily.com/releases/2026/01/260118064633.htm https://www.sciencedaily.com/releases/2026/01/260112214310.htm Scientists have pulled back the curtain on one of the most extreme solar regions seen in decades, tracking it almost nonstop for three months as it unleashed powerful space weather. By combining views from two spacecraft—one near Earth and one orbiting the Sun—researchers followed a massive active region as it grew, twisted, and ultimately triggered the strongest geomagnetic storms since 2003. Tue, 13 Jan 2026 06:44:15 EST https://www.sciencedaily.com/releases/2026/01/260112214310.htm https://www.sciencedaily.com/releases/2026/01/260112001037.htm Scientists observing the red giant star R Doradus have found that starlight isn’t strong enough to drive its stellar winds, overturning a long-standing theory. The dust grains around the star are simply too small to be pushed outward by light alone. This raises new questions about how giant stars spread life-essential elements through space. Researchers now suspect dramatic stellar motions or pulsations may play a key role instead. Mon, 12 Jan 2026 05:41:03 EST https://www.sciencedaily.com/releases/2026/01/260112001037.htm https://www.sciencedaily.com/releases/2026/01/260109235153.htm Astronomers have uncovered the long-hidden cause behind Betelgeuse’s strange behavior: a small companion star carving a visible wake through the giant’s vast atmosphere. Using nearly eight years of observations from NASA’s Hubble Space Telescope and ground-based observatories, scientists detected swirling trails of dense gas created as the companion, called Siwarha, moves through Betelgeuse’s outer layers. Sat, 10 Jan 2026 00:08:18 EST https://www.sciencedaily.com/releases/2026/01/260109235153.htm https://www.sciencedaily.com/releases/2026/01/260106224642.htm Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between large space rocks. One of these clouds was even mistaken for a planet before slowly fading away. Seeing two such events in just two decades hints that violent impacts may be surprisingly common in young star systems. It’s like watching planets-in-the-making collide before our eyes. Wed, 07 Jan 2026 18:21:49 EST https://www.sciencedaily.com/releases/2026/01/260106224642.htm https://www.sciencedaily.com/releases/2026/01/260104202730.htm Tiny bits of Earth’s atmosphere have been drifting to the moon for billions of years, guided by Earth’s magnetic field. Rather than blocking particles, the magnetic field can funnel them along invisible lines that sometimes stretch all the way to the moon. This explains mysterious gases found in Apollo samples and suggests lunar soil may hold a long-term archive of Earth’s history. It could also become a valuable resource for future lunar explorers. Mon, 05 Jan 2026 00:47:06 EST https://www.sciencedaily.com/releases/2026/01/260104202730.htm https://www.sciencedaily.com/releases/2026/01/260101160859.htm Scientists have discovered a rogue planet roaming the Milky Way after combining observations from Earth and a space telescope. This rare dual perspective allowed them to weigh the planet and pinpoint where it lies in the galaxy. With a mass similar to Saturn, the planet likely formed around a star before being thrown out. The finding opens a new window into how planets are lost to interstellar space. Sun, 04 Jan 2026 07:44:00 EST https://www.sciencedaily.com/releases/2026/01/260101160859.htm https://www.sciencedaily.com/releases/2025/12/251227004146.htm A newly discovered exoplanet is rewriting the rules of what planets can be. Orbiting a city-sized neutron star, this Jupiter-mass world has a bizarre carbon-rich atmosphere filled with soot clouds and possibly diamonds at its core. Its extreme gravity stretches it into a lemon shape, and it completes a full orbit in under eight hours. Scientists are stunned — no known theory explains how such a planet could exist. Thu, 01 Jan 2026 10:14:09 EST https://www.sciencedaily.com/releases/2025/12/251227004146.htm https://www.sciencedaily.com/releases/2025/12/251226045338.htm New observations reveal that the relationship between ultraviolet and X-ray light in quasars has changed over billions of years. This unexpected shift suggests the structure around supermassive black holes may evolve with time, challenging a decades-old assumption. Sat, 27 Dec 2025 00:57:27 EST https://www.sciencedaily.com/releases/2025/12/251226045338.htm https://www.sciencedaily.com/releases/2025/12/251225080730.htm Astronomers have decoded the hidden past of a distant red giant star by listening to tiny vibrations in its light, revealing clues of a dramatic cosmic history. The star, which quietly orbits a dormant black hole, appears to be spinning far faster than it should—and its internal “starquakes” suggest it may have once collided and merged with another star. Even more puzzling, its chemical makeup makes it look ancient, while its internal structure reveals it’s relatively young. Fri, 26 Dec 2025 02:28:41 EST https://www.sciencedaily.com/releases/2025/12/251225080730.htm https://www.sciencedaily.com/releases/2025/12/251225080729.htm Scientists have discovered a giant cosmic filament where galaxies spin in sync with the structure that holds them together. The razor-thin chain of galaxies sits inside a much larger filament that appears to be slowly rotating as a whole. This coordinated motion is far stronger than expected by chance and hints that galaxy spin may be inherited from the cosmic web itself. The finding opens a new window into how galaxies formed and how matter flows across the Universe. Thu, 25 Dec 2025 09:50:50 EST https://www.sciencedaily.com/releases/2025/12/251225080729.htm https://www.sciencedaily.com/releases/2025/12/251225035346.htm Astronomers tracking a nearby star system thought they had spotted an exoplanet reflecting light from its star. Then it vanished. Even stranger, another bright object appeared nearby. After studying years of Hubble Space Telescope data, scientists realized they were not seeing planets at all, but the glowing debris left behind by two massive collisions between asteroid-sized bodies. Thu, 01 Jan 2026 17:02:26 EST https://www.sciencedaily.com/releases/2025/12/251225035346.htm https://www.sciencedaily.com/releases/2025/12/251221043227.htm Astronomers have uncovered a massive hidden planet and a rare “failed star” by combining ultra-precise space data with some of the sharpest ground-based images ever taken. Using the Subaru Telescope in Hawaiʻi, the OASIS survey tracked subtle stellar wobbles to pinpoint where unseen worlds were lurking—then captured them directly. Sun, 21 Dec 2025 04:32:27 EST https://www.sciencedaily.com/releases/2025/12/251221043227.htm https://www.sciencedaily.com/releases/2025/12/251216081941.htm A mysterious cloud of ultra-hot dust around Kappa Tucanae A may finally have an explanation: a hidden companion star. The star’s extreme orbit carries it straight through the dust zone, strongly suggesting it plays a key role in keeping the dust alive. This finding could help astronomers untangle one of the biggest challenges in imaging Earth-like exoplanets. It also opens the door to discovering similar hidden companions around other stars. Wed, 17 Dec 2025 05:21:49 EST https://www.sciencedaily.com/releases/2025/12/251216081941.htm https://www.sciencedaily.com/releases/2025/12/251215025319.htm Hot Jupiters were once cosmic oddities, but unraveling how they moved so close to their stars has remained a stubborn mystery. Scientists have long debated whether these giants were violently flung inward or peacefully drifted through their birth disks. A new approach from researchers in Tokyo cracks open this puzzle by using the timescale of orbital circularization as a diagnostic. Mon, 15 Dec 2025 04:13:38 EST https://www.sciencedaily.com/releases/2025/12/251215025319.htm https://www.sciencedaily.com/releases/2025/12/251213032607.htm Webb’s latest observations reveal a hellish world cloaked in an unexpected atmosphere: TOI-561 b, an ultra-hot rocky planet racing around its star in under 11 hours. Despite being blasted by intense radiation that should strip it bare, the planet appears to host a thick layer of gases above a global magma ocean, making it far less dense than expected. Sun, 14 Dec 2025 08:01:33 EST https://www.sciencedaily.com/releases/2025/12/251213032607.htm https://www.sciencedaily.com/releases/2025/12/251211100625.htm TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for signs of an atmosphere—and potentially life-supporting conditions. Early James Webb observations hint at methane, but the signals may instead come from the star itself, a small ultracool M dwarf whose atmospheric behavior complicates interpretation. Fri, 12 Dec 2025 06:22:49 EST https://www.sciencedaily.com/releases/2025/12/251211100625.htm https://www.sciencedaily.com/releases/2025/12/251209043044.htm Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet WASP-107b, revealing a world with an enormously inflated, weakly bound atmosphere under intense stellar heat. The detection of helium, water, and various chemical compounds—alongside the surprising absence of methane—paints a picture of a planet that formed far from its star but later migrated inward, where scorching radiation now strips its gases into space. Wed, 10 Dec 2025 02:10:18 EST https://www.sciencedaily.com/releases/2025/12/251209043044.htm https://www.sciencedaily.com/releases/2025/12/251206030750.htm SPHERE’s detailed images of dusty rings around young stars offer a rare glimpse into the hidden machinery of planet formation. These bright arcs and faint clouds reveal where tiny planet-building bodies collide, break apart, and reshape their systems. Some disks contain sharp edges or unusual patterns that hint at massive planets still waiting to be seen, while others resemble early versions of our own asteroid belt or Kuiper belt. Together, the images form one of the most complete views yet of how newborn solar systems evolve and where undiscovered worlds may be hiding. Sat, 06 Dec 2025 03:24:18 EST https://www.sciencedaily.com/releases/2025/12/251206030750.htm https://www.sciencedaily.com/releases/2025/12/251204024243.htm A network of powerful ground-based telescopes captured rare starspot-crossing events on TOI-3884b, revealing cooler patches on the star’s surface and rapid changes tied to its rotation. By combining multicolor transit observations with months of high-cadence brightness monitoring, researchers nailed down the star’s rotation period with impressive precision. These measurements allowed them to map the system’s geometry—and what they found was surprising: the planet's orbit is wildly tilted relative to the star’s spin. Thu, 04 Dec 2025 09:57:01 EST https://www.sciencedaily.com/releases/2025/12/251204024243.htm https://www.sciencedaily.com/releases/2025/12/251203084928.htm For thirty years, SOHO has watched the Sun from a stable perch in space, revealing the inner workings of our star and surviving crises that nearly ended the mission. Its long-term observations uncovered a single global plasma conveyor belt inside the Sun, detailed how solar brightness subtly shifts over the solar cycle, and turned SOHO into an unexpected comet-hunting champion with more than 5,000 discoveries. Wed, 03 Dec 2025 09:03:57 EST https://www.sciencedaily.com/releases/2025/12/251203084928.htm https://www.sciencedaily.com/releases/2025/12/251203004736.htm FROSTI is a new adaptive optics system that precisely corrects distortions in LIGO’s mirrors caused by extreme laser power. By using custom thermal patterns, it preserves mirror shape without introducing noise, allowing detectors to operate at higher sensitivities. This leap enables future observatories like Cosmic Explorer to see deeper into the cosmos. The technology lays the groundwork for vastly expanding gravitational-wave astronomy. Thu, 04 Dec 2025 00:41:43 EST https://www.sciencedaily.com/releases/2025/12/251203004736.htm https://www.sciencedaily.com/releases/2025/12/251203004729.htm A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier than astronomers believed such well-structured galaxies could form. With sweeping spiral arms, rapid star formation, and an orderly disk resembling our Milky Way, it defies long-held theories about how slowly galaxies should assemble. Thanks to JWST and gravitational lensing, researchers could examine the galaxy in remarkable detail, revealing that the early Universe was far more capable and dynamic than expected. Wed, 03 Dec 2025 09:35:21 EST https://www.sciencedaily.com/releases/2025/12/251203004729.htm https://www.sciencedaily.com/releases/2025/11/251127102115.htm The discovery of strange, ultra-red objects—especially the extreme case known as The Cliff—has pushed astronomers to propose an entirely new type of cosmic structure: black hole stars. These exotic hybrids could explain rapid black hole growth in the early universe, but their existence remains unproven. Sat, 29 Nov 2025 09:49:27 EST https://www.sciencedaily.com/releases/2025/11/251127102115.htm https://www.sciencedaily.com/releases/2025/11/251122044338.htm Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away. Sophisticated instruments detected the planet’s gentle tug on its star, hinting at a rocky world that could hold liquid water. Future mega-telescopes may be able to directly image it—something impossible today. Sun, 23 Nov 2025 01:38:58 EST https://www.sciencedaily.com/releases/2025/11/251122044338.htm https://www.sciencedaily.com/releases/2025/11/251116231854.htm Astronomers have, for the first time, recorded the moment a star’s explosion broke through its surface. The nearby supernova, SN 2024ggi, revealed a surprisingly olive-shaped blast when studied with ESO’s Very Large Telescope. The discovery helps scientists better understand the forces that drive massive stars to explode and underscores how quick international cooperation can lead to groundbreaking results. Sun, 16 Nov 2025 23:28:07 EST https://www.sciencedaily.com/releases/2025/11/251116231854.htm https://www.sciencedaily.com/releases/2025/11/251116105945.htm The “Seven Sisters” have far more relatives than anyone imagined. Using NASA and ESA space telescopes, astronomers found thousands of hidden stars linked to the Pleiades, forming a colossal stellar complex. The discovery expands the cluster’s size by a factor of 20 and offers a new way to trace the shared origins of stars—including our own Sun. Sun, 16 Nov 2025 23:02:16 EST https://www.sciencedaily.com/releases/2025/11/251116105945.htm https://www.sciencedaily.com/releases/2025/11/251114041208.htm Scientists have finally confirmed a powerful coronal mass ejection from another star, using LOFAR radio data paired with XMM-Newton’s X-ray insights. The eruption blasted into space at extraordinary speeds, strong enough to strip atmospheres from close-orbiting worlds. This suggests planets around active red dwarfs may be far less hospitable than hoped. Fri, 14 Nov 2025 09:07:09 EST https://www.sciencedaily.com/releases/2025/11/251114041208.htm