But in the past two decades, new types of black holes have been seen and astronomers are beginning to understand how they ...

Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to ...

Stellar-mass black holes form from the death of massive stars and have already been found via a variety of different techniques. Supermassive black holes are found at the centers of large ...

There may be many more satellite galaxies in the Milky Way than have been observed, according to new Durham University ...

The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, ...

New research suggests sub-stellar objects called dark dwarfs could glow forever on dark matter energy. Could they reveal secrets about the universe’s hidden mass?

What happens when two rare ring galaxies collide? They form an infinity symbol—or the face of a cosmic owl, depending on how ...

A missing link black hole that sits in the mass gap between stellar-mass black holes and supermassive black holes is "parked" right by the Milky Way's central black hole, Sagittarius A*.

OGLE-2011-BLG-0462: An isolated stellar-mass black hole confirmed using new HST astrometry and updated photometry. The Astrophysical Journal . Vol. 983, April 20, 2025, p. 104. doi :10.3847/1538 ...