Europa, one of Jupiter’s moons, is considered one of the most promising places to search for alien life, thanks to its ...

A new capability is provided to additionally view the near real-time location of Chinese satellites overpassing our forces ...

What color is moonlight typically, and what other colors can moonlight look like from our perspective on Earth?

On July 6, 1938, an American astronomer named Seth Barnes Nicholson discovered Jupiter's moon Lysithea. Nicholson spotted ...