NASA's MAVEN spacecraft, which has orbited Mars since 2014, went quiet abruptly in early December. Efforts to reestablish a ...

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

One episode can be a gothic ghost story, the next a romantic tragedy, and the next a sharp political allegory disguised as ...

Yes, zombie creatures from another world could indeed land on a defenseless planet, but in a twist, it's the Earthlings who would be the invaders.

An ancient Martian system of canyons and valleys could be home to archaic life forms, a ground-breaking scientific paper has ...

Pocock, a space scientist at University College London and a well-known BBC presenter, believes scientists will make a ...

As NASA plans for long-term human missions beyond Earth, one question keeps resurfacing: how do you sustain life in places ...

Pocock, a space scientist at University College London and BBC presenter, predicts alien life will be found by 2075 but ...

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.

From space slugs to lunar cemeteries, these movies, games, and books show that the undead can arrive from above, as well as below.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...