For centuries, humanity believed that Earth was the center of the universe, a view championed by Aristotle and Ptolemy. But ...

The JWST discovers the Zhúlóng spiral galaxy, as massive as the Milky Way, formed only a billion years after the Big Bang.

An international team of astronomers has discovered a massive cloud of gas and dust located in a little-known region of our ...

Scientists predict up to 100 invisible galaxies may orbit the Milky Way, hiding just beyond our current detection limits.

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite ...

"We know the Milky Way has some 60 confirmed companion satellite galaxies, but we think there should be dozens more of these ...

Researchers may have found our galaxy's missing companions, further bolstering science's most widely accepted cosmological ...

Our Milky Way could have many more satellite galaxies than we've detected so far. They're just too faint to be seen.

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda ...

Arizona is an ideal spot to see the Milky Way thanks to its numerous dark-sky places. Here's the best time to see - and photograph - the Milky Way.

Comet 31/ATLAS is only the third interstellar object to ever be observed whizzing through the Solar System. While its origins ...

The Milky Way could have many more satellite galaxies than scientists have previously been able to predict or observe, ...