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.

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

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

Scientists at Durham University in England have identified signs that up to 100 extremely faint galaxies may be orbiting the ...

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.

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

The Gemini North telescope in Hawaii recently snapped a close-up of the comet that's captured the world’s attention.

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

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.

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