In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines ...

Aristotle's views on the nature of the cosmos dominated the Ancient Greek world. He argued that there's only one world, at ...

And then we drive this very cylindrical-looking, saucer-shaped device out in the middle of the night, in the rain Chris Polly ...

Award winning duo James S. A. Corey show humanity’s struggle with staggering alien power in their latest installment of the ...

When the world is full of darkness and existential threat, how can science fiction adapt? When Earth can be more frightening ...

Caption: Elena Eberwein / NHPR A sketch of the aliens Betty and Barney Hill described under hypnosis as they tried to recall ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a sprawling metal lattice, resembling petals on a 10-story-tall mechanical flower ...

The Artemis astronauts’ reflections echo a long described change that occurs when humans are given the chance to view Earth from space.

The science fiction blockbuster wowed audiences with its depiction of space travel and more. Here's what NASA staff and other ...

A bizarre floating growth on the International Space Station has sent the internet into a frenzy because of its alien-like roots. NASA’s Don Pettit shared a picture of a potato he grew while onboard ...