Just a few hundred light years from Earth, a swollen red giant is quietly forcing astronomers to rethink how stars seed the galaxy with the raw materials for planets and life. New observations of the ...

See amazing views of colliding galaxies NGC 520 and barred galaxy IC 4212 in imagery from the Siena Galaxy Atlas. Credit: CTIO/NOIRLab/DOE/NSF/AURA/N. Bartmann Image Processing: T.A. Rector ...

NASA's James Webb Space Telescope captured two nearby dwarf galaxies interacting with each other in this image released on ...

Black holes are among the most extreme objects in the universe, and now scientists can model them more accurately than ever ...

FLAMINGO simulation maps the universe but reveals a puzzling mismatch: galaxies cluster less than theory predicts.