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

How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 billion times the mass of the sun.

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

Astronomers have witnessed a distant supermassive black hole devouring its surrounding matter so rapidly that it is "burping" ...

Traditionally thought to go silent after a brief flare of activity, some black holes are now being observed emitting new ...

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

The 54-74 intersection. New drivers fear it, seasoned drivers dislike it, and other drivers of varying persuasions take ...

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

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

"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.

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...

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