Cosmology News

October 7, 2023

Top Headlines

Oct. 6, 2023 — The central question in the ongoing hunt for dark matter is: what is it made of? One possible answer is that dark matter consists of particles known as axions. A team of astrophysicists has now shown that if dark matter consists of axions, it may ...

Bursts of Star Formation Explain Mysterious Brightness at Cosmic Dawn

Oct. 3, 2023 — In the James Webb Space Telescope’s (JWST) first images of the universe’s earliest galaxies, the young galaxies appear too bright, too massive and too mature to have formed so soon after the Big Bang. Using new simulations, a team of ...

Colliding Neutron Stars Provide a New Way to Measure the Expansion of the Universe

Oct. 2, 2023 — In recent years, astronomy has seen itself in a bit of crisis: Although we know that the Universe expands, and although we know approximately how fast, the two primary ways to measure this expansion ...

Down Goes Antimatter! Gravity's Effect on Matter's Elusive Twin Is Revealed

Sep. 27, 2023 — For the first time, in a unique laboratory experiment at CERN, researchers have observed individual atoms of antihydrogen fall under the effects of gravity. In confirming antimatter and regular matter are gravitationally attracted, the finding rules ...

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Hidden Supermassive Black Holes Reveal Their Secrets Through Radio Signals

Sep. 25, 2023 — Astronomers have found a striking link between the amount of dust surrounding a supermassive black hole and the strength of the radio emission produced in extremely bright ...

Shh! Quiet Cables Set to Help Reveal Rare Physics Events

Sep. 21, 2023 — Newly developed ultra-low radiation cables reduce background noise for neutrino and dark matter ...

Astronomers Discover Newborn Galaxies With the James Webb Space Telescope

Sep. 22, 2023 — With the launch of the James Webb Space Telescope, astronomers are now able to peer so far back in time that we are approaching the epoch where we think that the first galaxies were created. ...

Astronomers Find Abundance of Milky Way-Like Galaxies in Early Universe, Rewriting Cosmic Evolution Theories

Sep. 22, 2023 — Galaxies from the early Universe are more like our own Milky Way than previously thought, flipping the entire narrative of how scientists think about ...

New Recipes for Origin of Life May Point Way to Distant, Inhabited Planets

Sep. 19, 2023 — Life on a faraway planet -- if it's out there -- might not look anything like life on Earth. But there are only so many chemical ingredients in the universe's pantry, and only so many ways to mix ...

Tag Team of the James Webb Space Telescope and ALMA Captures the Core of the Most Distant Galaxy Protocluster

Sep. 20, 2023 — An international research team has used the James Webb Space Telescope and the Atacama Large Millimeter/submillimeter Array to observe the most ...

Brilliant Galaxies of Early Universe

Sep. 15, 2023 — Scientists have used data from the James Webb Space Telescope (JWST) as part of the Cosmic Evolution Early Release Science (CEERS) Survey to change the way we think about the universe and its distant ...

Carbon Atoms Coming Together in Space

Sep. 14, 2023 — Lab-based studies reveal how carbon atoms diffuse on the surface of interstellar ice grains to form complex organic compounds, crucial to reveal the chemical complexity in the ...

Matter Comprises of 31% of the Total Amount of Matter and Energy in the Universe

Sep. 13, 2023 — One of the most interesting and important questions in cosmology is, 'How much matter exists in the universe?' An international team has now ...

Discovery of Two Potential Polar Ring Galaxies Suggests These Stunning Rare Clusters Might Be More Common Than Previously Believed

Sep. 13, 2023 — These new detections suggest polar ring galaxies might be more common than previously ...

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Summaries
Headlines

New 'Assembly Theory' Unifies Physics and Biology to Explain Evolution and Complexity

Oct. 4, 2023 — An international team of researchers has developed a new theoretical framework that bridges physics and biology to provide a unified approach for understanding how complexity and evolution emerge in ...

Dark Matter Halos Measured Around Ancient Quasars

Sep. 12, 2023 — At the center of every galaxy is a supermassive black hole. Beyond a certain size, these become active, emitting huge amounts of radiation, and are then called quasars. It is thought these are ...

The Universe Caught Suppressing Cosmic Structure Growth

Sep. 11, 2023 — As the universe evolves, scientists expect large cosmic structures to grow at a certain rate: dense regions such as galaxy clusters would grow denser, while the void of space would grow ...

New Cosmological Constraints on the Nature of Dark Matter

Sep. 7, 2023 — New research has revealed the distribution of dark matter in never before seen detail, down to a scale of 30,000 light-years. The observed distribution fluctuations provide better constraints on the ...

Furthest Ever Detection of a Galaxy's Magnetic Field

Sep. 6, 2023 — Astronomers have detected the magnetic field of a galaxy so far away that its light has taken more than 11 billion years to reach us: we see it as it was when the Universe was just 2.5 billion years ...

Vast Bubble of Galaxies Discovered, Given Hawaiian Name

Sep. 5, 2023 — The immense bubble is 820 million light years from Earth and believed to be a fossil-like remnant of the birth of the ...

How a Cup of Water Can Unlock the Secrets of Our Universe

Aug. 23, 2023 — A researcher made a discovery that could change our understanding of the universe. He reveals that there is a range in which fundamental constants can vary, allowing for the viscosity needed for life ...

Rewriting the Past and Future of the Universe

Aug. 21, 2023 — New research has improved the accuracy of the parameters governing the expansion of the Universe. More accurate parameters will help astronomers determine how the Universe grew to its current state, ...

New Type of Star Gives Clues to Mysterious Origin of Magnetars

Aug. 17, 2023 — Magnetars are the strongest magnets in the Universe. These super-dense dead stars with ultra-strong magnetic fields can be found all over our galaxy but astronomers don't know exactly how they ...

Using Supernovae to Study Neutrinos' Strange Properties

Aug. 15, 2023 — In a new study, researchers have taken an important step toward understanding how exploding stars can help reveal how neutrinos, mysterious subatomic particles, secretly interact with ...

Webb Reveals Colors of Earendel, Most Distant Star Ever Detected

Aug. 9, 2023 — NASA's James Webb Space Telescope has followed up on observations by the Hubble Space Telescope of the farthest star ever detected in the very distant universe, within the first billion years ...

Gravitational Arcs in 'El Gordo' Galaxy Cluster

Aug. 2, 2023 — A new image of the galaxy cluster known as 'El Gordo' is revealing distant and dusty objects never seen before, and providing a bounty of fresh science. The infrared image displays a ...

New Clues on the Source of the Universe's Magnetic Fields

July 31, 2023 — Researchers offer insight into the source of cosmic magnetic fields. The research team used models to show that magnetic fields may spontaneously arise in turbulent plasma. Their simulations showed ...

Galaxy J1135 Reveals Its Water Map

July 20, 2023 — Researchers look at water in galaxies, its distribution and in particular its changes of state from ice to vapor, as important markers indicating areas of increased energy, in which black holes and ...

The Puzzle of the Galaxy With No Dark Matter

July 19, 2023 — New research has found the first evidence of a massive galaxy with no dark matter. The result is a challenge to the current standard model of ...

Giant Swirling Waves at Edge of Jupiter's Magnetosphere

July 17, 2023 — A team has found that NASA's Juno spacecraft orbiting Jupiter frequently encounters giant swirling waves at the boundary between the solar wind and Jupiter's magnetosphere. The waves are an ...

James Webb Telescope Catches Glimpse of Possible First-Ever 'Dark Stars'

July 13, 2023 — Three bright objects initially identified as galaxies in observations from the James Webb Space Telescope might actually represent an exotic new form of star. If confirmed, the discovery would also ...

Webb Celebrates First Year of Science With Close-Up on Birth of Sun-Like Stars

July 12, 2023 — From our cosmic backyard in the solar system to distant galaxies near the dawn of time, NASA's James Webb Space Telescope has delivered on its promise of revealing the universe like never before ...

Reinventing Cosmology: New Research Puts Age of Universe at 26.7 -- Not 13.7 -- Billion Years

July 11, 2023 — Our universe could be twice as old as current estimates, according to a new study that challenges the dominant cosmological model and sheds new light on the so-called 'impossible early galaxy ...

Webb Telescope Detects Most Distant Active Supermassive Black Hole

July 6, 2023 — Researchers have discovered the most distant active supermassive black hole to date with the James Webb Space Telescope (JWST). The galaxy, CEERS 1019, existed about 570 million years after the big ...

Wednesday, October 4, 2023