The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

Sagittarius A* has been seen by human eyes with an "image produced by a global research team called the Event Horizon ...

Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...

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

"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 ...

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

Nearly 400 years ago, Galileo looked at the Pleiades star cluster through his telescope and noticed that the seven or so ...