The Fermi bubbles were discovered in 2010 by NASA’s Fermi Gamma-ray Space Telescope. The two orbs form an hourglass structure ...

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

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

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

New research suggests that the Milky Way should be surrounded by as many as 100 undetected tiny and faint "orphan" galaxy ...

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 ...

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

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

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

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

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