The discovery of the faintest known galaxies beyond the neighborhood of the Milky Way could help scientists develop universal models for how the universe's oldest galaxies formed, according to findings announced Jan. 11 at ...
Astronomy
Jan 11, 2023
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206
Dark energy makes the whole universe expand faster and faster! But what causes this spectacular process? Join NASA's newest citizen science project, Dark Energy Explorers, and help figure out this puzzle.
Astronomy
Jan 9, 2023
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40
Neutrinos mind their own business. Each second, billions of these fundamental particles will pass through stars, planets, buildings, and human bodies and will rarely ever be stopped by them, like a subatomic subway crowd. ...
Quantum Physics
Jan 5, 2023
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193
In giant clusters of hundreds or thousands of galaxies, innumerable stars wander among the galaxies like lost souls, emitting a ghostly haze of light. These stars are not gravitationally tied to any one galaxy in a cluster.
Astronomy
Jan 4, 2023
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552
Although dark matter is a central part of the standard cosmological model, it's not without its issues. There continue to be nagging mysteries about the stuff, not the least of which is the fact that scientists have found ...
Astronomy
Dec 30, 2022
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Scientists from the Large High Altitude Air Shower Observatory (LHAASO) have presented roughly 1.5 years of observational data, calculating new limits on the lifetime of heavy dark matter particles that have masses between ...
Astronomy
Dec 29, 2022
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Astronomers say they have solved an outstanding problem that challenged our understanding of how the universe evolved—the spatial distribution of faint satellite galaxies orbiting the Milky Way.
Astronomy
Dec 19, 2022
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659
As different as they may seem, black holes and Las Vegas have one thing in common: What happens there stays there—much to the frustration of astrophysicists trying to understand how, when and why black holes form and grow.
Astronomy
Dec 15, 2022
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358
The large-scale structure of the universe is dominated by vast empty regions known as cosmic voids. These voids appear as holes hundreds of millions of light years across in the distribution of galaxies. However, new research ...
Astronomy
Dec 14, 2022
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37
Dark matter makes up about 27% of the matter and energy budget in the universe, but scientists do not know much about it. They do know that it is cold, meaning that the particles that make up dark matter are slow-moving. ...
Quantum Physics
Dec 13, 2022
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