"We would need to consider the possibility that the source was created (or trapped as a primordial black hole) by a highly advanced technological civilization," Harvard's Avi Loeb writes.

Could the Universe have been born inside a black hole? This question, raised by a team of scientists, challenges the Big Bang ...

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

A supermassive black hole located 1.2 billion light-years away shows signs of intense activity. Observations reveal matter ...

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

A new hypothesis called the “quantum memory matrix” could solve long-standing physics questions, including the Black Hole ...

Using the XMM-Newton telescope, astronomers have witnessed high-speed "burps" erupting from a distant overfeeding ...

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 ...

Luke Donald’s Team Europe travel to Bethpage Black to defend the cup against a formidable Team USA after a stunning victory ...

Caltech simulations reveal what happens when black holes collide with neutron stars—violent cracking, intense shock waves, ...

Scientists now say that thousands of tiny black holes could be whizzing through your home at this very moment.

Study reveals that high-energy cosmic rays are born in magnetic fields during neutron star mergers, a prelude to black holes.