Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

"Project Hail Mary" clearly understands both these genres. Weir is an author who made his name in hard science fiction, with ...

"We leaned under and looked at the bottom of that thing, and for four humans just looking at the heat shield, it looked ...

Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

We all know the sci-fi classics, but many great titles slip into obscurity and are still worth watching, even decades after ...

The lunar south pole looks chaotic from orbit. Craters heaped upon craters, ancient basins, scarps and slopes tumbling in ...

Over four decades, the Alien franchise has brought many different versions of the xenomorph creature to theaters.

Behind the acid blood and jump scares of the Alien franchise is an even more insidious horror: a single employer with ...

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 moon is Earth's only natural satellite, a rocky celestial body that orbits our planet at an average distance of about 384 ...

Jupiter and Saturn may seem similar as gas giants, yet their vastly different moon systems reveal a deeper story shaped by ...

The awe-inspiring Spodnic UFO at Melin Mabes, a four-acre glamping site, will be featured on an upcoming episode of World's ...