At the center of every galaxy is a supermassive black hole. Beyond a certain size, these become active, emitting huge amounts of radiation, and are then called quasars. It is thought these are activated by the presence of ...
Astronomy
Sep 12, 2023
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72
As the universe evolves, scientists expect large cosmic structures to grow at a certain rate: dense regions such as galaxy clusters would grow denser, while the void of space would grow emptier.
General Physics
Sep 11, 2023
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1788
Patescibacteria are a group of puzzling, tiny microbes whose manner of staying alive has been difficult to fathom. Scientists can cultivate only a few types, yet these bacteria are a diverse group found in many environments.
Cell & Microbiology
Sep 7, 2023
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73
New research, published in The Astrophysical Journal, has revealed the distribution of dark matter in never-before-seen detail, down to a scale of 30,000 light-years. The observed distribution fluctuations provide better ...
Astronomy
Sep 7, 2023
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1234
Hydrogen is the most abundant element in the universe, by far. More than 90% of the atoms in the universe are hydrogen. Ten times the number of helium atoms, and a hundred times more than all other elements combined. It's ...
Astronomy
Sep 6, 2023
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39
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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57
A combined team of physicists from the University of Sussex and the National Physical Laboratory, both in the U.K., has been designing experiments to identify ultra-light dark matter particles. In their paper published in ...
Since the 1960s there has been plenty of evidence to support the existence of dark matter through astrophysical and cosmological observations, and at this point we're very confident that it exists. The question remains, though: ...
General Physics
Sep 1, 2023
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47
Dark matter is a keystone assumption in the current understanding of the universe. Yet, the elemental identity of dark matter is not known, and its future discovery remains a primary goal in the fields of cosmology and particle ...
Astronomy
Aug 30, 2023
1
67
Hot on the heels of India's historic lunar landing, Japan's space program is hoping to rebound from a string of setbacks next week with the launch of its own mission: "Moon Sniper".
Space Exploration
Aug 25, 2023
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45
