Twin orbs of superhot plasma at the Milky Way's center known as the "Fermi bubbles" contain inexplicable clouds of cold ...

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

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

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

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

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

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

The center of our galaxy is visible overnight on summer evenings, just off the tip of the Sagittarius Teapot’s spout in the ...

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

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

The newly discovered space rock may be older than our entire solar system, and you may get the chance to see it ...

Scientists have detected the collision of two massive black holes merging beyond the Milky Way. The two black holes, each ...