Small primordial black holes, born in the first moments of the Universe, might have reached supermassive sizes extremely ...

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

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

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

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

A distant supermassive black hole, PG1211+143, is consuming surrounding matter so rapidly it's expelling excess mass at ...

This stunning Hubble view of spiral galaxy UGC 11397 captures more than graceful arms and glowing stars—it hides a ravenous ...

A distant supermassive black hole has stunned astronomers by expelling matter at speeds nearing a third of light velocity after consuming material at an extreme rate. Designated PG1211+143, this ...

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

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

Astronomers detect 10 billion-year-old radio waves from a distant galaxy cluster SpARCS1049, revealing a mini-halo that ...

The Hubble Space Telescope is making waves again, this time for a snapshot of a spiral galaxy located 250 million light-years ...