Scientists have discovered that our galaxy may be surrounded by far more companion galaxies than previously detected. New ...

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

An astronomer led an international study mapping galaxy clusters, and it was published Monday in The Astrophysical Journal ...

For nearly a century, scientists around the world have been searching for dark matter - an invisible substance believed to make up about 80 percent of ...

Researchers at the University of Innsbruck, along with those at Dortmund, Bayreuth, and Linz universities, have demonstrated ...

Astronomers claim to have found new evidence supporting a controversial observation that our galaxy is residing in an ...