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

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

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

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

Supermassive black holes at the centers of galaxies are one of the most active fields of research in astronomy. In order to ...

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

Astronomers have discovered what could be the first-ever pair ofsupermassive black holes on the verge of merging. This rare ...

A view of the central region of the Perseus galaxy cluster, one of the most massive objects in the universe, shows the effects that a relatively small but supermassive black hole ...

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 ...

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 ...