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.

"Very massive stars are like the 'rock stars' of the universe — they are powerful, and they live fast and die young." ...

Could the Universe have been born inside a black hole? This question, raised by a team of scientists, challenges the Big Bang ...

Astronomers have witnessed a distant supermassive black hole devouring its surrounding matter so rapidly that it is "burping" ...

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

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

Traditionally thought to go silent after a brief flare of activity, some black holes are now being observed emitting new ...

Researchers have observed strange goings-on around a supermassive black hole located nearly 300 million light years away.

"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.

A distant supermassive black hole, PG1211+143, is consuming surrounding matter so rapidly it's expelling excess mass at ...