A Pentagon release of new UFO footage has revived the question of whether aliens could realistically travel to Earth.

China executed Xu Yao, an associate of Yoozoo Game founder Lin Qi, for murdering his billionaire boss after the two had a ...

Astrobiologists warn that NASA's current instruments may miss subtle signs of alien life, risking 'false negatives' in the ...

Star Trek is a pillar of sci-fi and pop culture, but which of the characters from the franchise's 60-year history stand out ...

Maricopa County Recorder Justin Heap referred 207 registered voters who may not be U.S. citizens to the Arizona Attorney ...

Emily Blunt jokes that she got aliens "really pissed" during her "Jimmy Kimmel Live!" interview, so they punished her with ...