A supermassive black hole in a distant disk galaxy is behaving badly, and the fallout is rewriting what I thought I knew ...

Astronomers spotted nine galaxies with characteristics that have never been seen as a collection before. It's possible this ...

The James Webb Space Telescope set its sights on a galaxy 20 million light-years away, capturing a dazzling star-forming galaxy in images streaked with the signature of passing asteroids. A bright ...

The James Webb Space Telescope has spotted the earliest known galaxy to ever be "quenched" — suddenly and mysteriously halting its star formation — and scientists think the supermassive black hole in ...

NASA's James Webb Space Telescope observed three galaxies in the universe's very early stages. The galaxies were likely forming around when our universe was 400 million to 600 million years old.

It's 7 billion years ago, and the universe's heyday of star formation is beginning to slow. What might our Milky Way galaxy have looked like at that time? Astronomers have found clues in the form of a ...

Astronomers have found something the universe wasn’t supposed to have: a galaxy cluster blazing with hot gas just 1.4 billion ...

WASHINGTON — For the first time ever, astronomers have confirmed the existence of a "failed galaxy," a massive, starless ...

Far beyond the bright pinwheels and glowing nebulae that dominate space photography, astronomers have finally confirmed ...

A lot is known about galaxies. We know, for instance, that the stars within them are shaped from a blend of old star dust and molecules suspended in gas. What remains a mystery, however, is the ...

New James Webb Space Telescope observations reveal that the galaxy GS-9209 had its star-forming power abruptly "quenched" by mysterious forces after millions of years of productivity. When you ...