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

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

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.

There could be many more satellite galaxies orbiting the Milky Way than previously thought or observed, according to ...

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

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

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

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

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

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

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