From Borg battles to impossible moral choices, these are the 'Star Trek' episodes that define the hit sci-fi franchise.

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

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

William Shatner's Captain Kirk has many iconic moments across Star Trek's 79 episodes that make the show an absolute ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

Bobby Ghosh wrote a great piece for Time this week in which he lists the three most-likely but not very good options that ...