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

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

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

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

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

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 ...

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

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

Astrophotographer Greg Meyer has captured a spectacular image of the Fireworks Galaxy (NGC 6946) shining close to the dark shape of the Seahorse Nebula.

"Once you do, it's just spectacular," said Aileen O'Donoghue, astronomer with St. Lawrence University and the Adirondack Sky ...