Klingon bar fight, poisoned grain, and the ultimate fluffy pests, a treaty from an earlier TOS episode kept the powers from ...

The Klingons became the most famous Star Trek alien villains despite only appearing in seven episodes of Star Trek: The Original Series.

Duolingo has a gift for nerds: a free Klingon course. The course launched on Duolingo's website today, under license by CBS. It will launch on the Duolingo app for Android and iOS at a later date.