Astronomers have discovered that the Seven Sisters of the Pleiades star cluster have more stellar siblings than we thought  — ...

A DU astronomer spoke with Denver7 Wednesday about Colorado's northern lights show this week. Here's what she had to say ...

Using ESA's XMM-Newton satellite, European astronomers have observed ultraluminous X-ray sources (ULXs) in the galaxy NGC ...

The discovery indicates how galaxies could have grown quickly when the universe was very young, solving a long-standing ...

Astronomers have discovered that the iconic Pleiades cluster, long admired as the “Seven Sisters,” is only a small part of a ...

The object, estimated to be the size of a city block, is only the third known interstellar visitor to our solar system since ...

For longer than Arizona has been a state, Lowell Observatory has been conducting astronomy research in Flagstaff. Observatory ...

The enormous outburst was likely caused by an unfortunate star venturing too close to a supermassive black hole ...

Astronomers revealed Wednesday they have detected a storm on a star other than our Sun for the first time, discovering an ...