Very massive stars are cosmic "rock stars" that live fast, die young and leave black holes in their place. During this ...

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

"This work is a step toward understanding how quantum mechanics and gravity work together, a major unsolved problem in ...

Scientists may have found a new way to detect some of the universe's most mysterious objects, primordial black holes (PBHs), ...

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

"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.

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

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

The study suggested that our universe formed from the collapse of a black hole, inside a bigger parent universe, rather than ...

Jackson Hole High School rising senior Halina Sanchez-Hernandez turned to her classmates at the Wyoming Karate Club and tied ...

Keir Starmer’s U-turn now leaves the government with a choice between raising taxes or cutting spending elsewhere ...

A newly discovered radio halo, 10 billion light-years away, reveals that galaxy clusters in the early universe were already steeped in high-energy particles. The finding hints at ancient black hole ...