Cosmology News

April 19, 2024

Top Headlines

Physicists Solve Puzzle About Ancient Galaxy Found by Webb Telescope

Apr. 12, 2024 — Physicists solve a puzzle linked to JWST-ER1g, a massive ancient galaxy that formed when the universe was just a quarter of its current ...

No Gamma Rays Seen Coming from Nearby Supernova

Apr. 16, 2024 — A nearby supernova in 2023 offered astrophysicists an excellent opportunity to test ideas about how these types of explosions boost particles, called cosmic rays, to near light-speed. But surprisingly, NASA's Fermi Gamma-ray Space Telescope detected ...

Brightest Gamma-Ray Burst of All Time Came from the Collapse of a Massive Star

Apr. 12, 2024 — In 2022, astronomers discovered the brightest gamma-ray burst (GRB) of all time. Now, astronomers confirm that a 'normal' supernova, the telltale sign of a stellar collapse, accompanied the GRB. The ...

Climate Change Threatens Antarctic Meteorites

Apr. 8, 2024 — Antarctica harbors a large concentration of meteorites imbuing the icy continent with an unparalleled wealth of information on our solar system. However, these precious meteorites are rapidly disappearing from the ice sheet surface due to global ...

Latest Headlines

updated 10:48pm EDT

Physicists Solve Puzzle About Ancient Galaxy Found by Webb Telescope

Apr. 15, 2024 — Physicists solve a puzzle linked to JWST-ER1g, a massive ancient galaxy that formed when the universe was just a quarter of its current ...

Neutron Stars Are Key to Understanding Elusive Dark Matter

Apr. 5, 2024 — Scientists may be one step closer to unlocking one of the great mysteries of the universe after calculating that neutron stars might hold a key to helping us understand elusive dark ...

First Results from DESI Make the Most Precise Measurement of Our Expanding Universe

Apr. 4, 2024 — Researchers have used the Dark Energy Spectroscopic Instrument to make the largest 3D map of our universe and world-leading measurements of dark ...

Scientists Find One of the Most Ancient Stars That Formed in Another Galaxy

Mar. 20, 2024 — The first generation of stars transformed the universe. Inside their cores, simple hydrogen and helium fused into a rainbow of elements. When these stars died, they exploded and sent these new ...

Largest-Ever Map of Universe's Active Supermassive Black Holes Released

Mar. 18, 2024 — Astronomers have charted the largest-ever volume of the universe with a new map of active supermassive black holes living at the centers of galaxies. Called quasars, the gas-gobbling black holes are, ...

New Research Suggests That Our Universe Has No Dark Matter

Mar. 15, 2024 — A new study challenges the current model of the universe by showing that, in fact, it has no room for dark ...

AI for Astrophysics: Algorithms Help Chart the Origins of Heavy Elements

Mar. 13, 2024 — The origin of heavy elements in our universe is theorized to be the result of neutron star collisions, which produce conditions hot and dense enough for free neutrons to merge with atomic nuclei and ...

Peering Into the Tendrils of NGC 604 With NASA's Webb

Mar. 11, 2024 — The formation of stars and the chaotic environments they inhabit is one of the most well-studied, but also mystery-shrouded, areas of cosmic investigation. The intricacies of these processes are now ...

Nasa’s Webb, Hubble Telescopes Affirm Universe’s Expansion Rate, Puzzle Persists

Mar. 11, 2024 — When you are trying to solve one of the biggest conundrums in cosmology, you should triple check your homework. The puzzle, called the 'Hubble ...

Pushing the Boundary on Ultralow Frequency Gravitational Waves

Mar. 8, 2024 — A team of physicists has developed a method to detect gravity waves with such low frequencies that they could unlock the secrets behind the early phases of mergers between supermassive black holes, ...

Baby Quasars: Growing Supermassive Black Holes

Mar. 7, 2024 — The James Webb Space Telescope makes one of the most unexpected findings within its first year of service: A high number of faint little red dots in the distant Universe could change the way we ...

Astronomers Spot Oldest 'Dead' Galaxy Yet Observed

Mar. 6, 2024 — A galaxy that suddenly stopped forming new stars more than 13 billion years ago has been observed by astronomers. Using the James Webb Space Telescope, astronomers have spotted a 'dead' ...

Webb Unlocks Secrets of One of the Most Distant Galaxies Ever Seen

Mar. 4, 2024 — Looking deeply into space and time, astronomers have studied the exceptionally luminous galaxy GN-z11, which existed when our 13.8 billion-year-old universe was only about 430 million years ...

New Insights on How Galaxies Are Formed

Mar. 1, 2024 — Astronomers can use supercomputers to simulate the formation of galaxies from the Big Bang 13.8 billion years ago to the present day. But there are a number of sources of error. An international ...

Astronomers Discover Heavy Elements After Bright Gamma-Ray Burst from Neutron Star Merger

Feb. 29, 2024 — An international team of astronomers obtained observational evidence for the creation of rare heavy elements in the aftermath of a cataclysmic explosion triggered by the merger of two neutron ...

'Cosmic Lighthouses' That Cleared Primordial Fog Identified With JWST

Feb. 28, 2024 — Scientists working with data from NASA's James Webb Space Telescope (JWST) have obtained the first full spectra of some of the earliest starlight in the universe. The images provide the clearest ...

Brightest and Fastest-Growing: Astronomers Identify Record-Breaking Quasar

Feb. 22, 2024 — Astronomers have characterized a bright quasar, finding it to be not only the brightest of its kind, but also the most luminous object ever observed. Quasars are the bright cores of distant galaxies ...

A Long, Long Time Ago in a Galaxy Not So Far Away

Feb. 6, 2024 — Employing massive data sets collected through NASA's James Webb Space Telescope, astronomers are unearthing clues to conditions existing in the early universe. The team has catalogued the ages ...

Which Came First: Black Holes or Galaxies?

Feb. 6, 2024 — Black holes not only existed at the dawn of time, they birthed new stars and supercharged galaxy formation, a new analysis of James Webb Space Telescope data ...

Gas on the Run -- ALMA Spots the Shadow of a Molecular Outflow from a Quasar When the Universe Was Less Than One Billion Years Old

Feb. 1, 2024 — Theoretical predictions have been confirmed with the discovery of an outflow of molecular gas from a quasar when the Universe was less than a billion years ...

Bright Galaxies Put Dark Matter to the Test

Jan. 31, 2024 — The earliest galaxies are thought to have formed as the gravitational pull of dark matter, which has been impossible to study directly, slowly drew in enough hydrogen and helium to ignite stars. But ...

Astronomers Detect Oldest Black Hole Ever Observed

Jan. 17, 2024 — Researchers have discovered the oldest black hole ever observed, dating from the dawn of the universe, and found that it is 'eating' its host galaxy to ...

Study Delivers Detailed Photos of Galaxies' Inner Structures

Jan. 17, 2024 — High-resolution images captured by the James Webb Space Telescope are offering powerful insights into the complex dust patterns of nearby star-forming ...

Astronomers Produce Most Sensitive Radio Image Ever of Ancient Star Cluster

Jan. 16, 2024 — Astronomers have created the most sensitive radio image ever of a globular cluster, an ancient ball of tightly-packed ...

Surprise Gamma-Ray Feature Beyond Our Galaxy

Jan. 11, 2024 — Astronomers analyzing 13 years of data from NASA's Fermi Gamma-ray Space Telescope have found an unexpected and as yet unexplained feature outside of our ...

'Blob-Like' Home of Farthest-Known Fast Radio Burst Is Collection of Seven Galaxies

Jan. 9, 2024 — In summer 2022, astronomers detected the most powerful and most distant fast radio burst (FRB) ever observed. Now, astronomers have pinpointed the extraordinary object's birthplace -- and ...

Final Supernova Results from Dark Energy Survey Offer Unique Insights Into the Expansion of the Universe

Jan. 8, 2024 — In the culmination of a decade's worth of effort, scientists analyzed an unprecedented sample of more than 1,500 supernovae classified using machine learning. They placed the strongest ...

Magnetic Fields in the Cosmos: Dark Matter Could Help Us Discover Their Origin

Jan. 3, 2024 — We don't know how magnetic fields in the cosmos formed. Now a new theoretical research tells how the invisible part of our universe could help us find out, suggesting a primordial genesis, even ...

Researchers Study a Million Galaxies to Find out How the Universe Began

Dec. 22, 2023 — Researchers have analyzed more than one million galaxies to explore primordial fluctuations that seeded the formation of the structure of the entire ...

Astronomers Detect Seismic Ripples in Ancient Galactic Disk

Dec. 21, 2023 — A new snapshot of an ancient, far-off galaxy could help scientists understand how it formed and the origins of our own Milky Way. At more than 12 billion years old, BRI 1335-0417 is the oldest ...