Astronomers observe star in Andromeda vanish, likely forming a black hole without a supernova

Astronomers Detect Black Holes Too Small to Form From Supernovae

This article discusses the discovery of black hole candidates with masses that fall in the "mass gap" — a range of masses thought to be too

NASA's Chandra Observatory Discovers Unexpected Brightness Changes in Supernova Remnants in Galaxy M83

Astronomers using NASA's Chandra X-ray Observatory studied the galaxy Messier 83 (M83) over a 14-year period and unexpectedly discovered tha

NASA's Webb Telescope Detects Black Hole That Formed Before Its Host Galaxy, Challenging Cosmic Evolution Theories

Researchers using NASA's James Webb Space Telescope have detected a massive black hole in the early universe that appears to have formed bef

Spectroscopic Classification of ASASSN-25cm as a Classical Nova

NASA's Webb Telescope Provides Strongest Evidence Yet for 'Black Hole Stars' in Early Universe

Astronomers using NASA's James Webb Space Telescope have identified a "little red dot" galaxy called GLIMPSE-17775, whose spectrum provides

NASA's Chandra X-ray Observatory detects supernova debris near Milky Way's supermassive black hole

NASA's Chandra X-ray spacecraft has detected supernova wreckage near Sagittarius A*, the supermassive black hole at the center of the Milky