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 ...
Gravitational waves may have provided the first evidence of tiny primordial black holes born during the Big Bang, which could ...
An artistic impression of the black hole jets from Mrk 501. (Emma Kun/HUN-REN Konkoly Observatory/Made with the support of AI ...
Black holes are mysterious objects, and one theory posits that our universe exists inside of one. It sounds strange, but ...
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 ...
A bizarre, record-breaking neutrino detected in 2023 may have originated from an exploding primordial black hole—a relic from ...
Astronomers studied 1.3 million galaxies and 8,000 X-ray-spewing supermassive black holes to find out why these gravitational ...
Learn how shifting jets in galaxy Mrk 501 exposed a pair of orbiting supermassive black holes nearing collision.