Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

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

The bold question-askers at What If explore why having a black hole in our Solar System would be a catastrophic scenario.

Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...

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

One of the most perplexing discoveries in modern astronomy has been finding supermassive black holes, some weighing billions ...

"We would need to consider the possibility that the source was created (or trapped as a primordial black hole) by a highly advanced technological civilization," Harvard's Avi Loeb writes.

Some physicists think our reality is a kind of cosmic hologram, with space, time, and gravity as manifestations of a ...

Black holes, once purely theoretical, are now observable phenomena, offering insights into the universe. Their intense ...

Hubble Space Telescope snapped an image of UGC 11397, a spiral galaxy situated in the constellation Lyra, about 250 million ...

The 54-74 intersection. New drivers fear it, seasoned drivers dislike it, and other drivers of varying persuasions take ...

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