Quick, imagine an animal tongue. What came into your mind? The flicking forked tongue of a snake? A cow licking a block of ...

When we imagine alien life, we picture monsters, insects, or tentacles—but what if the most realistic aliens are human-like?

In 1967, astronomers thought they had finally heard from the neighbors. They intercepted a signal so regular and precise it seemed impossible for it to be natural. But the excitement didn’t last.

Of all the various subgenres attached to the sci-fi domain, alien invasion flicks come off as timeless favorites. Here are ...

New research shows invasive species are reducing insect populations worldwide and weakening ecosystems people rely on.

The spiny leaf insect mother not only abandons her eggs, she's also figured out how to trick someone else into protecting and ...