The first commercial spacecraft headed beyond the moon is on its way to deep space, but the mission is suffering from unknown ...

The full moon will put on a show during a total lunar eclipse in March, but be prepared to stay up late. For many, it coincides with Pi Day.

Two Mars gravity assists are expected, and NASA astronauts Suni Williams and Butch Wilmore are finally set to come home from an extended stay on the International Space Station. Here are five space ...