The search for dark matter requires all the best models, theories, and ideas we can throw at it. A new paper by Julia Monika ...

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 ...

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 ...

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

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

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

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

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