ESA's Gaia mission, the Very Large Telescope and other ground-based telescopes have discovered stellar black hole Gaia BH3.

Using artificial intelligence, researchers at the RIKEN Center for Interdisciplinary Theoretical and Mathematical Sciences, ...

Enjoy a post-dinner stargazing session as the first-quarter moon, Saturn and the season's brightest stars light up the ...

Constellation Perseus culminates high upon the north-south meridian around 10 p.m. Dec. 25, with its brightest star Alpha ...

American space agency NASA readies the Nancy Grace Roman Space Telescope for integration, launch could come as soon as next ...

There’s something almost otherworldly about standing in the middle of a desert at night. No city glow, no noise except maybe ...

Nearly 100 years ago, astronomer Fritz Zwicky made a strange discovery while studying the movement of galaxies. He noticed ...

No one knows this better than cat mom @gretta_zou, who'd been sick in bed for several days before her cat, Milky, took ...

NASA’s Fermi Gamma-ray Space Telescope may have detected the first direct evidence for dark matter, according to new research ...

On most nights, city skies hide the stars. Streetlights, buildings, and cars fill the air with artificial glow that drowns out what’s above.

A Star Trek–inspired idea by Miguel Alcubierre kicked off decades of theory and experiments as scientists pursue plausible ...

NASA’s Fermi telescope has detected a 20-GeV gamma-ray halo around the Milky Way’s center that may match dark-matter annihilation.