Astronomers have captured the most detailed look yet at faraway galaxies at the peak of their youth, an active time when the adolescent galaxies were...

Some of the universe’s largest galaxies have gone strangely quiet. They stopped forming new stars billions of years ago and have remained dormant...

Some of the universe’s largest galaxies have gone strangely quiet. They stopped forming new stars billions of years ago and have remained dormant...

Ever since the James Webb Space Telescope began sending back its first breathtaking images in late 2021, astronomers have been fascinated—and...

Galaxies did not emerge fully formed into the universe. They went through awkward, messy phases before they eventually settled into the forms that are...

Galaxies did not emerge fully formed into the universe. They went through awkward, messy phases before they eventually settled into the forms that are...

A white dwarf is creating a shockwave as it travels through the interstellar medium. Similar shockwaves are sometimes seen as the result of outflows...

A white dwarf is creating a shockwave as it travels through the interstellar medium. Similar shockwaves are sometimes seen as the result of outflows...

A team of astronomers are, in a manner of speaking, on cloud nine after discovering a never-before-seen astronomical object in the distant universe....

A team of astronomers are, in a manner of speaking, on cloud nine after discovering a never-before-seen astronomical object in the distant universe....