The bold question-askers at What If imagine the cosmic consequences of a collision between a black hole and a white hole.

These black holes are the most distant and stable objects we know. Using a technique called very long baseline interferometry ...

This black hole merger animation was created using data collected by the LIGO and Virgo gravitational wave detectors, an ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...

In those galaxies, however, the black holes are too far apart to ever merge. The newly discovered black hole is close enough to the core’s massive black hole to potentially fall toward it and merge, ...

Black holes are invisible, yet they are among the brightest things in the universe. If a star wanders too close to a black hole, it gets torn apart in a fireworks show called a tidal disruption ...

Each of the supermassive black holes the researchers described lies at the center of a distant galaxy. And each were observed to have suddenly brightened for several months after shredding up a ...

Black holes are without a doubt one of the most awesome and awe-inspiring phenomena in the Universe. There are also one of the most mysterious, seeing as how scientists are unable to study them in ...

Explore 10 jaw-dropping black hole wallpapers captured by NASA. These cosmic visuals reveal the mysterious beauty of space, perfect for anyone fascinated by the universe’s most powerful and ...

Black holes generally come in two sizes: big and really big. As they are so dense, they are measured in terms of mass rather than size, and astronomers call these two groups of stellar mass black ...

Ever since general relativity pointed to the existence of black holes, the scientific community has been wary of one peculiar feature: the singularity at the center—a point, hidden behind the ...