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

"It is fascinating that an active galactic nucleus can change its brightness so dramatically over such a short period of time ...

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

According to models, as supermassive black holes orbit each other, they transfer their orbital energy to the stars and gas ...

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

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

Astronomers studied 1.3 million galaxies and 8,000 X-ray-spewing supermassive black holes to find out why these gravitational ...

Stephen Hawking showed in the 1970s that black holes are not completely black. They ...

It may well take years to prove, but a pair of University of Miami astrophysicists could be on the verge of a cosmic ...

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

The early universe is absolutely so far outside our understanding of how the world works it's hard to describe in words. Back ...