What if I told you we discovered an alien species with an adaptable body? Advanced intelligence? And astounding camouflage skills? Enter the octopus. Wait. What did you think I was talking about?

Funny dog Maymo is totally unimpressed by a group of aliens. This cute beagle dog is spending his day on the couch when a UFO lands in the dining room, and out spills a coterie of aliens. These green ...

UFO whistleblower Charles Hall claims he spent years interacting with Tall White aliens at Area 51, revealing their secret ...

"Star Trek" heroes are clever, but so are many of its villains. With vast knowledge and inhuman capabilities, they keep Starfleet — and viewers — on edge.

The creators of the Alien franchise probably have no shortage of ideas for where the series should go, but here are some more ...

Starfish, also known as sea stars, are equipped with an almost alien-like anatomy. Despite lacking a brain, blood, and ...

A recent global analysis shows that invasive alien species are linked to significant declines in insect populations and ...

Stargate SG-1 is one of the rare long-running sci-fi shows that managed to find a balance between the comedic and dramatic.

Biological invasions are inherently linked to human activities, as the movement of species beyond their native ranges is largely driven by global trade, ...

Behavior might be chalked up to more than just intentional choices.

Adams Immersive's Outside Parties is a sort of scavenger hunt across a massive image of a realm called the Outside, which can ...

A dome-fronted submersible sinks beneath the waves off Indonesia, heading down nearly 1,000 meters in search of new species, ...