Our best understanding of the universe is rooted in a cosmological model known as LCDM. The CDM stands for cold dark matter, where most of the matter in the universe isn't stars and planets, but a strange form of matter that ...
Astronomy
Sep 5, 2023
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Supermassive black holes (SMBHs)—black holes with masses exceeding a million times that of the sun—are known to prevail in the universe today. However, it is not clear yet when, where, and how they formed during the 13.8 ...
Astronomy
Sep 1, 2023
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2644
Researchers have found a new way to measure dark energy—the mysterious force that makes up more than two-thirds of the universe and is responsible for its accelerating expansion—in our own cosmic backyard.
Astronomy
Aug 14, 2023
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Scientists can use powerful colliders to smash atomic nuclei together to create a quark-gluon plasma (QGP). This "soup" of quarks and gluons, some of the fundamental building blocks of matter, filled the early universe. Tracking ...
Quantum Physics
Aug 10, 2023
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Detecting extremely distant stars, or those closest in time to the big bang, can provide insights into the first few chapters of the history of our universe. In 2022, the Hubble Space Telescope broke its own record, and spotted ...
Astronomy
Aug 9, 2023
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5355
The universe we live in is a transparent one, where light from stars and galaxies shines bright against a clear, dark backdrop. But this wasn't always the case—in its early years, the universe was filled with a fog of hydrogen ...
Astronomy
Aug 9, 2023
0
36
Astronomers from Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences and their collaborators have found five Green Pea (GP) galaxies with double-peaked narrow lines among nearly 1,550 GP galaxies. ...
Astronomy
Jul 31, 2023
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70
When theoretical physicists like myself say that we're studying why the universe exists, we sound like philosophers. But new data collected by researchers using Japan's Subaru telescope has revealed insights into that very ...
Astronomy
Jul 27, 2023
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The more astronomers look at the early universe, the more discoveries they make. Some of those finds change what they thought they knew about the infancy of the cosmos. For example, the James Webb Space Telescope (JWST) recently ...
Astronomy
Jul 21, 2023
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70
For the first time, the James Webb Space Telescope has observed the chemical signature of carbon-rich dust grains in the early universe.
Astronomy
Jul 19, 2023
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