It’s not little green men with flying saucers and laser guns that scientists are worried about, instead our foes will be much ...

From lava tubes on Mars to ice pockets on Europa, subterranean environments may offer the best chance of finding life—and living safely—beyond our planet. “I was like, ‘OK, I'm pretty sure that ...

The aliens from Mars attacked in waves quickly overpowering Earth’s human defenses with their far superior technology. Then ...

After its widely-acclaimed season 1, Alien: Earth season 2 is shaping up, with Game of Thrones legend Peter Dinklage being ...

Scientists have discovered evidence of large quantities of biosignature chemicals — only known to be made by life on Earth — ...