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 ...

Very massive stars are cosmic "rock stars" that live fast, die young and leave black holes in their place. During this ...

NASA compares the universe's biggest black holes with "each other and to our solar system," in this Goddard Space Flight ...

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 ...

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

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

A new quantum recipe for black holes could be the first step toward a theory of "quantum gravity", the "holy grail" of ...

Priyamvada Natarajan has spent decades exploring some of the universe’s most persistent mysteries, particularly the unseen ...

The discovery, made with the LOFAR (LOw Frequency ARray) radio instrument in Europe, indicates that galaxy clusters, which ...

A new way to discover ancient black holes These extreme nuclear transients are giving astronomers a new tool to find supermassive black holes that are otherwise invisible, especially in the early ...