The bold question-askers at What If imagine the cosmic consequences of a collision between a black hole and a white hole.

"Very massive stars are like the 'rock stars' of the universe — they are powerful, and they live fast and die young." ...

The bold question-askers at What If explore why having a black hole in our Solar System would be a catastrophic scenario.

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

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

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

Astronomers working with the European Southern Observatory's (ESO) Very Large Telescope (VLT) have detected patterns showing ...

A new generation of black hole research is unfolding thanks to artificial intelligence, massive simulations, and cutting-edge ...

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

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

Researchers say there are far more supermassive black holes out there than we previously suspected, and they're starting to ...

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