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Astronomy news
Einstein predicted how gravity should work at the largest scales. And he was right, suggests new research
When Albert Einstein introduced his theory of general relativity in 1915, it changed the way we viewed the universe. His gravitational model showed how Newtonian gravity, which had dominated astronomy and physics for more ...
Astronomy
10 hours ago
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AI and astronomy: Neural networks simulate solar observations
Research by astronomers and computer scientists at the University of Hawaiʻi Institute for Astronomy (IfA) could revolutionize our understanding of the sun. The study, part of the "SPIn4D" project, combines cutting-edge ...
Astronomy
10 hours ago
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Astronomers measure cosmic electrons at the highest energies to date
Five telescopes of the H.E.S.S.-collaboration in Namibia are used to study cosmic radiation, especially gamma radiation. With data from 10 years of observations, researchers have now been able to detect cosmic electrons and ...
Astronomy
11 hours ago
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Axion dark matter may make spacetime ring
Dark matter made out of axions may have the power to make space-time ring like a bell, but only if it is able to steal energy from black holes, according to new research.
Astronomy
12 hours ago
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Sombrero Galaxy dazzles in new Webb images and video
A new mid-infrared image from the NASA/ESA/CSA James Webb Space Telescope features the Sombrero galaxy, also known as Messier 104 (M104). The signature, glowing core seen in visible-light images does not shine, and instead ...
Astronomy
12 hours ago
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XRISM mission looks deeply into 'hidden' stellar system
The Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) observatory has captured the most detailed portrait yet of gases flowing within Cygnus X-3, one of the most studied sources in the X-ray sky.
Astronomy
13 hours ago
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Record-breaking run on Frontier sets new bar for simulating the universe in exascale era
The universe just got a whole lot bigger—or at least in the world of computer simulations, that is. In early November, researchers at the Department of Energy's Argonne National Laboratory used the fastest supercomputer ...
Astronomy
13 hours ago
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Unusual supernova observations grant astronomers a peek into the cosmic past
An international team of researchers has made new observations of an unusual supernova, finding the most metal-poor stellar explosion ever observed.
Astronomy
15 hours ago
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The early universe may have had giant batteries of dust
The largest magnetic fields in the universe may have found themselves charged up when the first stars began to shine, according to new research.
Astronomy
18 hours ago
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Astronomers discover a rare group of dwarf galaxies
Astronomers from the Yonsei University in Seoul, South Korea and elsewhere have discovered a rare isolated group of five star-forming dwarf galaxies in the local universe. The finding was reported in a research paper published ...
WEAVE spectrograph uncovers dual nature of galaxy shock
Using the set of first-light observations from the new William Herschel Telescope Enhanced Area Velocity Explorer (WEAVE) wide-field spectrograph, a team of more than 50 astronomers, led by Dr. Marina Arnaudova at the University ...
Astronomy
Nov 24, 2024
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The dark energy pushing our universe apart may not be what it seems, scientists say
Distant, ancient galaxies are giving scientists more hints that a mysterious force called dark energy may not be what they thought.
Astronomy
Nov 23, 2024
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The solar fire up close: Newly analyzed data offers first high-resolution view of the entire solar disk
The entire solar disk in unprecedented detail—this is shown by images of the visible surface of the sun, which researchers at the Max Planck Institute for Solar System Research have now created from 25 individual images ...
Astronomy
Nov 22, 2024
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2 million mph galaxy smash-up seen in unprecedented detail
A massive collision of galaxies sparked by one traveling at a scarcely-believable 2 million mph (3.2 million km/h) has been seen in unprecedented detail by one of Earth's most powerful telescopes.
Astronomy
Nov 22, 2024
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Veil of fiery gas revealed around the disk of Milky Way
Scientists may have finally hit upon the possible mysterious sources that have pumped heat and kept alive the fiery hot gas that has recently been detected surrounding the Milky Way but has so far remained unexplained.
Astronomy
Nov 22, 2024
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Scientists construct first complete energy spectrum of solar high-energy protons in Martian space
Scientists have constructed the first complete proton energy spectrum observed during an eruptive solar event in Martian space, deepening our understanding of the radiation environment around Mars.
Astronomy
Nov 22, 2024
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Ring around Tabby's star
This illustration shows a hypothetical uneven ring of dust orbiting KIC 8462852, also known as Boyajian's Star or Tabby's Star. The star has experienced unusual dips in brightness over a matter of days, as well as much subtler ...
Astronomy
Nov 22, 2024
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Video: Our sun is the star in a new simulation
NASA supercomputers are shedding light on what causes some of the sun's most complex behaviors. Using data from the suite of active sun-watching spacecraft currently observing the star at the heart of our solar system, researchers ...
Astronomy
Nov 21, 2024
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Hubble finds sizzling details about young star FU Orionis
In 1936, astronomers saw a puzzling event in the constellation Orion: the young star FU Orionis (FU Ori) became a hundred times brighter in a matter of months. At its peak, FU Ori was intrinsically 100 times brighter than ...
Astronomy
Nov 21, 2024
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A nearby supernova could end the search for dark matter
The search for the universe's dark matter could end tomorrow—given a nearby supernova and a little luck. The nature of dark matter has eluded astronomers for 90 years, since the realization that 85% of the matter in the ...
Astronomy
Nov 21, 2024
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New mechanism in bacterial DNA enzyme opens pathways for antibiotic development
Earth-bound asteroids 'could be tracked more precisely' with new equation
Long-term study reveals warming climates threaten Florida scrub-jay
Fuji apple study finds genetic mechanisms behind high-yield trees
