Researchers may have found our galaxy's missing companions, further bolstering science's most widely accepted cosmological ...

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite ...

Scientists predict up to 100 invisible galaxies may orbit the Milky Way, hiding just beyond our current detection limits.

The new black hole has more than 200 times the mass of our sun – and is challenging theories of how objects form in space ...

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

A U.S. gravitational wave detector spotted a collision between fast-spinning “forbidden” black holes that challenge physics ...

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

In A Nutshell New theoretical models predict “dark dwarfs” — objects powered by dark matter annihilation. These cosmic bodies ...

New research suggests that the Milky Way may host more satellite galaxies than previously predicted, thanks to advanced ...

New gravitational wave findings from the LIGO-Virgo-KAGRA Collaboration report the discovery of the largest black hole merger ...

It was a bump in the night. A big one.On Nov. 23, 2023, waves from a colossal merger of two black holes reached Earth and ...

New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...