Astronomers spot oldest 'dead' galaxy yet observed
A galaxy that suddenly stopped forming new stars more than 13 billion years ago has been observed by astronomers.
Astronomy
Mar 6, 2024
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76
News tagged with big bang
What ended the 'dark ages' in the early universe? New Webb data just brought us closer to solving the mystery
About 400,000 years after the Big Bang, the cosmos was a very dark place. The glow of the universe's explosive birth had cooled, and space was filled with dense gas —mostly hydrogen—with no sources of light.
Astronomy
Mar 2, 2024
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77
High-resolution simulations provide new insights into how galaxies are formed
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 research team, led by researchers ...
Astronomy
Mar 1, 2024
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2167
A black hole discovery could force us to rethink how galaxies came to be
Peering deep into the infancy of the universe, the European Southern Observatory's Very Large Telescope (VLT) recently confirmed the discovery of the brightest and fastest growing quasar. Quasars are luminous objects in the ...
Astronomy
Feb 28, 2024
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64
New research suggests explosive 'axion stars' could pinpoint where and what dark matter is
We could be closer to understanding the mystery behind what dark matter is, following new research from physicists at King's College London.
Astronomy
Feb 26, 2024
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59
Snakes do it faster, better: How a group of scaly, legless lizards hit the evolutionary jackpot
More than 100 million years ago, the ancestors of the first snakes were small lizards that lived alongside other small, nondescript lizards in the shadow of the dinosaurs.
Evolution
Feb 22, 2024
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74
'Beyond what's possible': New JWST observations unearth mysterious ancient galaxy
Our understanding of how galaxies form and the nature of dark matter could be completely upended after new observations of a stellar population bigger than the Milky Way from more than 11 billion years ago that should not ...
Astronomy
Feb 14, 2024
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505
Discovery of unexpected ultramassive galaxies may not rewrite cosmology, but still leaves questions
Ever since the James Webb Space Telescope (JWST) captured its first glimpse of the early universe, astronomers have been surprised by the presence of what appear to be more "ultramassive" galaxies than expected. Based on ...
Astronomy
Feb 13, 2024
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183
Which came first: Black holes or galaxies?
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 suggests.
Astronomy
Feb 10, 2024
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105
Bright galaxies put dark matter to the test
For the past year and a half, the James Webb Space Telescope has delivered astonishing images of distant galaxies formed not long after the Big Bang, giving scientists their first glimpses of the infant universe. Now, a group ...
Astronomy
Jan 31, 2024
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