Astronomers found the closest black hole to Earth — and there could be millions more like it

Scientists usually find black holes by detecting X-rays they emit as they devour nearby...

Scientists detected ripples in space and time from a potentially new class of collision in the universe

The collision might have produced hundreds of Earths' worth of gold and platinum. But...

An experiment that solved a 100-year-old mystery posed by Einstein just got up to 50% more powerful by squeezing light

LIGO can now detect gravitational waves almost every week, thanks to a new instrument...

A huge explosion sliced through our galaxy just 3.5 million years ago, as human ancestors walked the Earth. Scientists think it was nuclear activity in the black hole at the Milky Way's centre.

NASA's Hubble telescope found traces of the explosion in a gas stream beyond the Milky...

A mesmerizing NASA animation shows how a nearby black hole would warp spacetime like a fun-house mirror

The visualization gives context to the first-ever photograph of a black hole, which...

Scientists think they've observed a black hole swallowing a neutron star for the first time. It made ripples in space and time, as Einstein predicted.

Nearly a billion years ago, a collision sent ripples in space-time that passed through...

The supermassive black hole at the centre of our galaxy suddenly lit up brighter than scientists had ever seen, and nobody knows why

Scientists think every galaxy has a supermassive black hole at its centre, and ours just...

The first-ever picture of a black hole is fuzzy. These incredible illustrations help explain what it shows.

Scientists posted the first-ever image of black hole, but the photo is a bit fuzzy....