Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Need a reminder of what's up in the farthest frontier of 'Star Trek' before 'Starfleet Academy'? Class is now in session.

Powered by the success of Avatar and Marvel films she's featured in, Zoe Saldaña’s franchise-heavy career has pushed her past ...

An astronaut in need of doctors' care departed the International Space Station with three crewmates on Wednesday in NASA's ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.

The SpaceX Dragon spacecraft is set to splash down off Southern California following a rare medical evacuation from orbit.