As planets pass in front of their parent stars as viewed from Earth, they cause a tiny dip in the amount of starlight we ...

NASA has captured some of the most breathtaking star clusters in the universe, where countless stars shimmer like cosmic ...

Caldwell 71, or NGC 2477, is an open star cluster. Open clusters are loosely bound collections of stars. It is located roughly 4,000 light-years from Earth in the constellation Puppis.

"Temperamental" stars that brighten and dim over a matter of hours or days may be distorting our view of thousands of distant ...