The most incomprehensible thing about the universe is that it is comprehensible,” Albert Einstein once pondered. But even as ...

Scientists have observed a new type of black hole that is too heavy to have been born from a star but still too slim to … The ...

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

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

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

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

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, ...

"We would need to consider the possibility that the source was created (or trapped as a primordial black hole) by a highly ...

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