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

These findings suggest that the absence of past detections does not mean discovery is imminent. If extraterrestrial ...

Some animals are so unusual that they barely look real, and transparent creatures are among the strangest of them all. These ...

If you trace the animal family tree back through the fossil record, the trail usually goes cold about 539 million years ago. Before this boundary—the start of the famous Cambrian explosion—multicelled ...

The vast majority of our planet remains a complete mystery, hidden beneath miles of crushing water where sunlight never penetrates. In this eternal darkness, evolution has taken a path so bizarre that ...

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

This creature doesn’t think the way we do—because it doesn’t have just one brain. With 9 brains and 3 hearts, it can process information across its entire body, even controlling each arm independently ...

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

Hello Games has another content update for No Man's Sky fans, and this one is adding a brand-new gameplay feature involving ...

Hello Games brings galactic Pokemon-style alien battling with its new Xeno Arena update, adding turn-based creature battles ...

Movies like "Disclosure Day" and "Project Hail Mary" renew our fascination with extraterrestrials and the idea that humankind ...