Humans have yet to find aliens. But they are already preparing for the day this happens, and have been working on languages ...

Discovered by volunteer scientists, this alien planet is out of synch with its siblings ...

Greer shared the seemingly impossible word search as well as his theory as to why the puzzle was designed this way.

Honeybees can solve simple addition and subtraction problems and even possess some understanding of the concept of zero ...

While the latter refers to someone who looks exactly like another person, being called a choppelganger is not as polite.