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

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

Astronomers have observed a distant galaxy’s supermassive black hole undergoing a dramatic transformation. The galaxy’s black ...

Astronomers analyzing gravitational-wave data from the LIGO-Virgo-KAGRA Collaboration have reported that merging binary black ...

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 ...

An underwater observatory recently detected a startlingly energetic cosmic neutrino. One possible cause involves a phenomenon ...

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 ...

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

Learn how shifting jets in galaxy Mrk 501 exposed a pair of orbiting supermassive black holes nearing collision.