A new tool called the Black Hole Collision Calculator let's users see just how powerful a collision between a black…
Black hole mergers with very different masses tell us how small mergers can give rise to even larger ones.
Quasars are the most powerful sources of light in the universe, but sometimes they're hard to find. A team of…
In March 2018 astronomers watched a massive black hole surge in brightness. Then over the following year, its ring of…
Gravitational wave astronomy has changed the way we view the cosmos. In only a few years we have observed the…
A comet-eating black hole the size of a planet? It's possible. And if there's one out there in the distant…
In the 1960s, astronomers began theorizing that there might be black holes in the Universe that are so massive -…
Black hole merger events are some of the most energetic, fearsomely energetic events in all the cosmos. When black holes…
A black hole as a source of energy? We know black holes as powerful singularities, regions in space time where…
Somewhere around 2.5 solar masses is the line between black holes and neutron stars. Now we've found an object right…