Imagine looking up at the night sky and learning that a black hole is racing toward Earth at nearly the speed of light. Not a ...

A massive star in the Andromeda Galaxy, one of the most luminous objects in its neighborhood, has quietly disappeared. Over ...

Finnish scientists have shot two black holes orbiting each other, offering the first ever definitive proof that these intergalactic voids come in pairs, per a study published October 9 in the ...

There are black holes that are too big to be born from the death of a star but aren’t quite supermassive either. There’s ...

When scientists discovered an enormous black hole thousands of light-years from where it ought to be in space, they knew they had a cosmic oddity on their hands. NASA's Hubble Space Telescope showed a ...

Powerful bright blue cosmic explosions called Luminous Fast Blue Optical Transients could be caused when a black hole or ...

If a pair of black holes coalesce into one, much of that vast energy can be released in a few seconds. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Here’s what you’ll learn when you read this story: Black holes usually form from stars that burn out and collapse in on themselves, but that cannot explain the red spark of light that could be a ...

Astronomers have watched a dying star fail to explode as a supernova, instead collapsing into a black hole. The remarkable sighting is the most complete observational record ever made of a star's ...

More than 60 years after it was first spotted, Cygnus X-1 — the first confirmed black hole — is still full of surprises. Researchers have finally measured the energy output of this behemoth's "dancing ...