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

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

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

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

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, ...

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 ...

Fresh evidence claims that the Earth and the surrounding galaxy are suspended inside a cosmic void based on echoes from the ...

This edition of Space and Astronomy News explores the first potential exoplanet outside our galaxy, Blue Origin’s plans for a ...

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

New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...