Predicted by Einstein and dismissed as undetectable, gravitational waves were finally heard in 2016. Now, with observatories ...

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

"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.

Sagittarius A* has been seen by human eyes with an "image produced by a global research team called the Event Horizon ...

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

A supermassive black hole located 1.2 billion light-years away shows signs of intense activity. Observations reveal matter ...

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

A new generation of black hole research is unfolding thanks to artificial intelligence, massive simulations, and cutting-edge ...

"Hulks can jump! I repeat, HULK CAN JUMP NOW!" writes one terrified, I mean valiant, Helldiver. Their video shows a Hulk ...

Astronomers confirm ‘lite intermediate’ black holes, too large for ordinary stars, revealing clues about early stellar origins.

Using the XMM-Newton telescope, astronomers have witnessed high-speed "burps" erupting from a distant overfeeding ...

Caltech simulations reveal what happens when black holes collide with neutron stars—violent cracking, intense shock waves, ...