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

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

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 galaxy. Zoom in and explore.

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

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

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

New research from Durham University suggests the Milky Way could have up to 100 hidden satellite galaxies. The findings support the Lambda Cold Dark Matter theory and offer clues to how the Universe ...

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 ...

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

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

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