Hollywood has driven how Americans envision little green men with big eyes and bigger heads. But fiction soon could be ...

These are the 10 best sci-fi movies from the 1970s that hold up just as well today as they did five decades ago.

These findings suggest that the absence of past detections does not mean discovery is imminent. If extraterrestrial ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?

Rep. Tim Burchett (R-Tenn.) said the American people would be “up at night worrying” if they knew what he’s been briefed on ...

Based on hard science fiction, a genre that prioritizes scientific accuracy, the blockbuster gets a lot right but misses a ...

A Space Odyssey hit screens. Read SFX legend Douglas Trumbull on the movie's original "crap script" and 20-foot-tall green ...

Historically planetary defense research has focused on deflecting asteroids by using momentum to nudge their cosmic course ...

After a day of testing the Orion capsule high above the planet, the crew of the NASA mission became the first people to head ...