Futurist Michio Kaku sees humans doing ballet on Mars and projecting their brains into the cosmos. And aliens? Oh, they're ...

DC Comics has a lot of heroes on Earth protecting the planet who are not even from the planet and here are the strongest.

Fans of the Predator franchise should check out these 15 other movies featuring alien threats, outer-space terror, and ...

Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink ...

The True Story of an Alien Craze that Captured Turn of the Century America," David Baron looked into one source of that ...

Elon Musk doesn't believe aliens have visited planet Earth and thinks UFOs have more to do with the United States government and less with little green men, RadarOnline.com can reveal. The world's ...

In 20 years, you could be holidaying on Mars. That’s according to Elon Musk, who thinks one million Earthlings, some born ...

The European Space Agency has released new images of a rare "butterfly" crater on the Red Planet. The bug-like structure sports a pair of smooth, rocky wings, which were likely "fluidized" by buried ...

Guided by the sci-fi touchstones of my youth, I set off in some unexpected directions. Read beyond the breaking news.

With the third Avatar film now in theaters, here are some other great sci-fi movies that give James Cameron and Co. a run for their money.

Follow live updates from NBC News as Russian President Vladimir Putin speaks at his annual year-end news conference on ...