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

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.

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

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

See the SpaceX Dragon spacecraft and the Milky Way galaxy in this time-lapse view from the International Space Station.

Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to ...

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

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

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

In summer, we face toward the Milky Way's hub in the Teapot constellation, home to the galaxy's supermassive black hole.

For years, scientists have predicted that in about 3.75 billion years, our Milky Way galaxy would collide with its massive neighbor, the Andromeda galaxy. This cataclysmic event was thought to be a ...