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

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

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

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 ...

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

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

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

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