As NASA reports, two astronomers working with raw Webb data the space agency periodically makes available to researchers, ...

"It was something I’ve never seen before and I’ve looked at tens of thousands of images of galaxies over my career," he said.

A gravitational wave has revealed the biggest black-hole merger ever recorded—so massive and extreme, it defies current astrophysical models. The clash formed a 225-solar-mass monster, possibly made ...

The largest black hole collision ever recorded has scientists' jaws on the floor — and scratching their heads.

Astronomers have detected the largest black hole merger ever, and it has challenged their understanding of such formations.

Find out how these incredible astrophysical objects have influenced the formation and evolution of galaxies, and more.

A short-lived ripple in space-time revealed that two black holes merged into a giant black hole with the mass of 225 suns ...

"The biggest surprise of all was that the black hole was not located inside either of the two nuclei but in the middle. We asked ourselves: How can we make sense of this?" ...

Gravitational waves spotted by LIGO reveal two black holes, 140 and 100 times the mass of the sun, merged to become a 225 solar mass behemoth.

Researchers discovered a large black hole jet from the early universe, and it's reshaping what we know about the early universe.

When people think of black holes, they imagine something dramatic: a star exploding in space, collapsing in on itself, and forming a cosmic monster that eats everything around it. But what if ...