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 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 ...

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

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

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 ...

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

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have instead ...