Solar System News

September 18, 2026

Top Headlines

NASA’s Roman Space Telescope Launches to Reveal the Universe’s Darkest Secrets

Aug. 31, 2026 NASA’s Roman Space Telescope has launched on a million mile journey to L2, where it will scan huge portions of the cosmos for clues about dark matter, dark energy, and distant worlds. With survey ...

NASA’s Roman Telescope Will See 100 Times More Sky Than Hubble

Aug. 28, 2026 NASA’s Roman Space Telescope will combine Hubble-like detail with a field of view 100 times larger, giving astronomers a sweeping new way to explore the cosmos. Its observations could uncover hidden planets, map billions of cosmic objects, and ...

NASA Just Used Satellites and Debris to Navigate Without GPS

Aug. 26, 2026 NASA has successfully tested a system that allows satellites to navigate without GPS by using other spacecraft and debris as landmarks in orbit. In just three days, FALCON also improved the known orbits of more than 200 space objects completely ...

A SpaceX Rocket Smashed Into the Moon — NASA Just Revealed the Crater

Aug. 20, 2026 A discarded SpaceX Falcon 9 stage crashed into the Moon on Aug. 5, leaving behind a newly formed crater about 60 feet wide. NASA’s Lunar Reconnaissance Orbiter captured detailed images showing bright and dark streaks of debris blasted across the ...

NASA’s Moon Base Is Taking Shape with 20+ Lunar Landings Planned

Aug. 11, 2026 NASA is assembling the foundations of a future Moon Base through a wave of robotic missions and powerful new commercial landers. More than 20 landings are planned through 2029, testing everything from precision landings and lunar communications to ...

The Key to Colonizing Mars May Be Hidden Inside Asteroids

Aug. 7, 2026 Metal-rich asteroids could one day become hardware stores for Mars, supplying the materials needed to build and repair a growing colony. A new analysis shows that carefully selected asteroids may be reachable with current spacecraft technology. Some ...

NASA’s Psyche Spacecraft Aces Mars Flyby Capturing Stunning Timelapse Video

July 28, 2026 NASA’s Psyche spacecraft aced its Mars flyby, using the planet’s gravity to speed toward its 2029 encounter with a metal-rich asteroid. The spacecraft tested its cameras, magnetometer, and ...

NASA Will Test SpaceX and Blue Origin Moon Landers Before the Next Lunar Landing

July 23, 2026 NASA is preparing for future astronaut landings on the Moon with an unusually ambitious orbital rehearsal. During Artemis III in 2027, Orion astronauts will rendezvous and dock separately with ...

China’s Chang’e-6 Reveals Why Solar Wind Hits the Moon’s Two Sides Differently

July 21, 2026 China’s Chang’e-6 samples have uncovered a surprising difference between the Moon’s two hemispheres. Solar wind particles penetrated deeper into the far-side soil because Earth’s ...

Scientists Identify the Rare Meteorite That Killed the Dinosaurs 66 Million Years Ago

July 19, 2026 The asteroid that wiped out the dinosaurs was likely an exceptionally rare CO chondrite from a distant region of the solar system. Its unusual chemistry suggests that planet-cooling dust and debris, ...

A Shattered Asteroid May Have Bombarded Earth 800 Million Years Ago

July 18, 2026 A catastrophic asteroid breakup may have triggered a huge wave of impacts across the inner solar system about 800 million years ago. The debris was launched from near a gravitational gateway controlled by Jupiter, sending fragments toward Earth, the ...

Terraforming Mars May Be More Realistic Than Scientists Once Thought

July 17, 2026 Scientists say new technologies have reopened the debate over whether Mars could someday be terraformed, turning a once impossible idea into a serious research topic. Before anyone tries to reshape the Red Planet, though, researchers say we must ...

Latest Headlines

updated 9:36am EDT

NASA’s Moon Orbiter Finds a 728-Foot Crater That Wasn’t There Before

Sep. 18, 2026 NASA’s Lunar Reconnaissance Orbiter has revealed a 728-foot-wide crater that formed on the Moon in 2024, making it the largest newly formed crater ever identified in the solar system. The impact ...

Astronomers Just Found the Youngest Known Planet Ever

Sep. 17, 2026 Astronomers have confirmed a Jupiter-size planet less than a million years old, making Elias 2-24 b the youngest known planet and giving scientists a rare look at a world still being born. Its ...

NASA’s New Horizons Spots Signs of Liquid Nitrogen Flowing on Pluto

Sep. 17, 2026 Scientists have found the first evidence that liquid may have flowed across Pluto’s surface in the recent past. Dark features on the enormous Sputnik Planitia glacier appear consistent with liquid ...

Venus May Have Swallowed Its Own Moon

Sep. 16, 2026 Venus may have once had a moon, but new research suggests the planet’s incredibly slow rotation could have doomed it. Computer simulations showed that instead of gradually drifting away like ...

Scientists “truly Astonished” by Discovery That Challenges Earth’s Origin Story

Sep. 16, 2026 A new study suggests Earth formed almost entirely from material in the inner Solar System, challenging the idea that water-rich material from beyond ...

James Webb Reveals Chariklo’s Mysterious Rings Are Changing Faster Than Expected

Sep. 15, 2026 The James Webb Space Telescope has revealed surprising changes in the rings around Chariklo, a small object orbiting between Saturn and Uranus. Over ...

Venus’s Pale Yellow Clouds May Hide Something Surprisingly Dark

Sep. 12, 2026 A century-old mystery in Venus’s clouds just became more intriguing, as scientists calculated how strongly the unidentified material behind its dark ultraviolet patterns must absorb light. The ...

Mercury’s Surface Reveals a Surprisingly Fiery Past

Sep. 11, 2026 Scientists have discovered that Mercury’s surface contains far less silicon dioxide than previously thought, pointing to an unexpectedly hot volcanic past. The finding suggests ancient lava may ...

The Moon May Have Formed Intact Just Hours After a Giant Collision

Sep. 10, 2026 Scientists have discovered that the Moon-forming collision may have depended heavily on how hot and physically strong early Earth and Theia were. New simulations found that some impacts create the ...

Have We Found Alien Life? Hundreds of Scientists Weigh in

Sep. 9, 2026 Two major alien-life announcements in 2025 generated enormous excitement, but most astrobiologists remained unconvinced. Only 6.6% of surveyed experts thought possible biological molecules on K2-18b ...

NASA Scientists Discover a Giant 10-Sided Pattern on Saturn

Sep. 3, 2026 A huge 10-sided atmospheric pattern has appeared around Saturn’s south pole, giving the planet a surprising counterpart to its famous northern hexagon. Hubble data suggest the strange decagon only ...

September Brings a Dazzling Venus and a Glowing Harvest Moon

Sep. 3, 2026 September’s sky features brilliant Venus, the Milky Way’s hazy center, and the seasonal turning point of the equinox. The month ends with a glowing Harvest Moon rising near Saturn and faint ...

The Universe Has Plenty of Hydrogen. So Why Is Star Formation Collapsing?

Sep. 3, 2026 Star formation across the universe has fallen dramatically over the past 4.5 billion years, but astronomers have uncovered a surprising twist: the supply of neutral hydrogen, a key ingredient for ...

Scientists Discover a Massive Heat Anomaly Deep Inside Mars

Aug. 30, 2026 Mars has a hidden temperature divide, with its southern interior potentially hundreds of degrees hotter than the north and partially molten. The discovery could help explain several long-standing ...

Earth May Have Lost the Sun’s Protective Shield Millions of Years Ago

Sep. 2, 2026 NASA-funded studies suggest Earth’s climate has been influenced by both the Sun’s travels through dense regions of the Milky Way and the violent superflares of its youth. Those events may help ...

Trump to Award Congressional Space Medal of Honor to Artemis II Astronauts

Aug. 24, 2026 The Artemis II crew will receive the Congressional Space Medal of Honor after becoming the first humans in more than 50 years to travel beyond the Moon. Their 10-day Orion mission also carried them ...

JWST Finds Early Galaxies May Be 4 Times More Massive Than Thought

Aug. 22, 2026 Astronomers using JWST have discovered that massive early galaxies contain far more small, faint stars than expected. That hidden population could make some of these galaxies three to four times more ...

NASA Finds Earth Microbes Could Survive on the Moon

Aug. 25, 2026 NASA scientists found that microbes brought by astronauts could survive in cold, shadowed niches around the Moon’s South Pole, potentially complicating future searches for pristine lunar chemistry. ...

One Asteroid Strike May Explain Two Mysteries of Mars’ Moon Deimos

Aug. 26, 2026 A single asteroid impact may explain two of Deimos’s most puzzling features: its huge southern depression and unusually smooth, dusty surface. Simulations suggest a roughly 320-meter asteroid ...

Scientists Crushed Diamond Beyond Neptune-Like Pressures—and Solved a 20-Year Mystery

Aug. 20, 2026 Extreme experiments have revealed how diamond behaves at crushing pressures beyond those inside Neptune and Uranus, resolving a decades-old conflict between theory and observation. The results could ...

Rocky Planets May Have Formed Just 100 Million Years After the Big Bang

Aug. 31, 2026 Rocky planets may have been able to start forming just 100 million years after the Big Bang, thanks to enormous early supernovae that scattered planet-building elements across space. Simulations ...

A Ghostly Ribbon of Stars Reveals Hidden Dark Matter

Aug. 24, 2026 A faint ribbon of stars around a distant galaxy has become the first globular cluster stellar stream ever identified beyond the Milky Way. Because the stars trace the galaxy’s gravity, researchers ...

James Webb Captures a Cosmic Lion Sculpted by a Dying Star

Aug. 12, 2026 James Webb has captured a striking new infrared view of NGC 2392, the Lion Nebula, revealing the dramatic aftermath of a dying Sun-like star. At its center, a scorching white dwarf is blasting ...

NASA’s Perseverance Rover Watches Earth Vanish from the Surface of Mars

Aug. 13, 2026 NASA’s Perseverance rover caught a striking first from Mars: Earth disappearing behind the tiny moon Phobos. Seen from nearly 195 million miles away, our planet was reduced to a single point of ...

The Sun Will Vanish Over Europe in a Rare Total Solar Eclipse: Watch Live

Aug. 10, 2026 A total solar eclipse will plunge parts of Europe into darkness on August 12, 2026, with Spain offering some of the best views. ESA will livestream the spectacle from the Javalambre Observatory, ...

A Massive New Cosmic Map Is Revealing Black Holes, Rare Stars, and Hidden Gas

Aug. 14, 2026 Astronomers have released more than three million new spectra in a sweeping expansion that, for the first time, brings SDSS-V optical observations to the Southern Hemisphere. The data reveal ...

A Solar Eclipse and the Perseid Meteor Shower Arrive on the Same Day

Aug. 5, 2026 August brings four major celestial events, including a solar eclipse and the peak of the Perseid meteor shower. Dark New Moon skies could make the Perseids especially impressive, while Venus will ...

Moonquakes Could Reveal Hidden Water Beneath the Lunar Surface

Aug. 3, 2026 Hidden moon ice may reveal itself through the way it bends and reflects vibrations from moonquakes. The technique could help astronauts locate vital water supplies and uncover clues about the origins ...

Giant Waves Are Sweeping Mars’ Atmosphere Into Space

Aug. 3, 2026 The solar wind may be stripping away Mars’ atmosphere by creating giant rolling waves along its outer edge. Data from MAVEN and Tianwen-1 show that these waves form plasma clouds that carry ...

Webb’s Mysterious Little Red Dots May Be Hiding Entire Galaxies

Aug. 17, 2026 Astronomers may finally have a clue to what happens to the mysterious “little red dots” that crowded the early universe. By studying a spiral galaxy nicknamed the “Saguaro,” researchers found ...