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.

Thomas Mulligan simplifies Stephen Hawking’s black hole paradox to make it accessible to all viewers.

"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.

The Office for Budget Responsibility and other forecasters are divided over how strong UK growth will be. Who's right will ...

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

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

On May 22 2024, Rishi Sunak stood outside of Downing Street in the pouring rain and announced he was calling a General ...

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

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

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

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