: Some sci-fi aliens feel made up on the spot. Others seem so fully realized they could exist. This video explores the species with the deepest lore, logic, and worldbuilding in science fiction.

Kellin? There's no one here by that name.

Six Chinese government departments including the General Administration of Customs, the Ministry of Agriculture and Rural ...

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

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

The final shot of the preview zooms in on the eye of a deer (presumably the same deer in the previous trailers), and as the ...

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

How do you grow and evolve to fit into an alien environment? James S. A. Corey, the nom de plume of the duo behind the Hugo ...

BEIJING -- China decided to begin a one-year action plan to prevent invasive alien species from entering border ports across ...

Scientists say caves on Mars and icy moons may host microbial life and serve as future habitats for astronauts to be sent to ...

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 ...

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