When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. SEATTLE — Travel to distant alien worlds with two suns, red grass and strong gravity in three ...

It is the year of the return of sci-fi, with Ridley Scott's Prometheus, plus Alfonso Cuaron's Gravity and John Carter, Cloud Atlas, Looper all coming up. That means sci-fi fans are crazy with ...

A new series of NASA posters, free to download, depict Martian explorers surveying the world's alien landscape, growing food, making repairs and teaching youngsters on the surface of the Red Planet.

These amazingly retro NASA travel posters feature three real-life alien planets: Kepler 186f, HD 40307g and Kepler 16b. They were created for NASA's PlanetQuest project at the agency's Jet Propulsion ...