What can heat distribution within galaxy clusters, which often consist of hundreds to thousands of galaxies, teach astronomers about their formation and ev | Space ...

The word itself comes from galaktikós kyklos, or “milky circle,” the ancient Greek term for the Milky Way, our home galaxy.

Astronomers used the James Webb Space Telescope for the largest and deepest sample of galaxy groups, some of which were up to ...

The "afterglow" of the universe is an important piece of evidence for the Big Bang. This background radiation also provides ...

There are thousands of galaxies contained in this image, including a cluster that looks to us as it was when the universe was ...

NASA's James Webb Space Telescope made its public debut with a series of breathtaking images. Among them was an ethereal ...

Sagittarius C, a turbulent region near the Milky Way’s center, is glowing with hot plasma and threaded by magnetic fields, ...

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May 1, 2025 — The European Space Agency's Gaia mission has spotted an unusual family of stars all strangely eager to leave home -- a family we couldn't have discovered without the star-surveying ...

May 1, 2025 — The European Space Agency's Gaia mission has spotted an unusual family of stars all strangely eager to leave home -- a family we couldn't have discovered without the star-surveying ...

ST. LOUIS — The meandering upper level lows continue to drive our rain chances locally. The last batch of showers and possible thunderstorms will slide from the northeast toward the southwest ...