During its original network run in the 1960s, Star Trek was famously saved from cancellation twice by fan letter-writing ...

Fresh orbital images and new geological analysis have revealed eight mysterious caves on Mars that appear unusually well suited to protect traces of life. Together, these caverns, portals and ...

Do you ever feel like you're being watched? Not by a creepy stalker, but by aliens. Yup, it might be happening.

While many sci-fi hits have spawned extended franchises, these standalone works prove that science fiction movies can leave ...