Astronomers have observed a star wobbling in its orbit around a ravenous supermassive black hole that is ripping it apart and ...

A black hole 30 million times the mass of the sun has produced winds one-fifth the speed of light, stunning scientists.

Just 3,000 light-years from Earth is a black hole visible to the naked eye. Thankfully, we are a safe distance from this ...

Scientists observed a spinning black hole dragging space and time as it tore apart a star, confirming a key prediction of Einstein’s theory of relativity ...

There are two small moons in orbit around Mars today, but both may be remnants of a much larger moon that had enough of a gravitational pull to drive tides in the Red Planet's lost lakes and seas ...

A rocky exoplanet outside the Earth's solar system may have an atmosphere, according to new evidence gathered by NASA ...

Scientists have managed to observe solar neutrinos carrying out a rare atomic transformation deep underground, converting ...