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.

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

Astronomers have been aware of cosmic vampires, dead stars that hungrily strip plasma from victim stars, for some time. New ...

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

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 ...

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 ...

Could an Egyptian coffin, dated 5,000 years ago, hold the answer to one of the night sky’s greatest mysteries? University of ...

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

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

"The best time to see the Milky Way in (Massachusetts) is from March to September," according to the Capture the Atlas ...

The Milky Way's core will be visible this month and through August. Here's what Tennessee stargazers should know.