Supermassive black holes literally don’t add up. Astrophysicists know it takes more time than is mathematically possible for ...

Not all black hole collisions are created equal. A new analysis of the latest gravitational-wave detections has found that ...

Shock waves from tiny black holes in the early universe could explain how antimatter became so rare while matter is common.

Black holes are mysterious objects, and one theory posits that our universe exists inside of one. It sounds strange, but ...

Gravitational waves may have provided the first evidence of tiny primordial black holes born during the Big Bang, which could ...

ESA's Gaia mission has discovered the closest and 2nd closest black holes to Earth found yet. In this animation, travel to ...

General relativity stands as one of the bedrock theories in modern physics. Its strange view of relative time and space has been confirmed by countless experimental and observational tests, from ...

New research describes an unexpected double jet in a distant galaxy, revealing a pair of supermassive black holes on the ...

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile have discovered "signs of a ‘hot spot’ ...

Some things in cosmology may simply be unknowable. Why is there something rather than nothing? What lies outside the universe? What is inside a black hole? That last one has been niggling at ...

A bizarre, record-breaking neutrino detected in 2023 may have originated from an exploding primordial black hole—a relic from ...