For instance, what if we really are being visited by aliens from other worlds and they turn out to be aggressive, violent, ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

Superman is one of the most powerful characters in all of DC Comics, but there are several Kryptonians who match up to him.

Are we witnessing a revival of the mass migration by sea crises of past decades? On June 5th, the U.S. Coast Guard announced ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Azula’s lightning generation was featured in Netflix’s Avatar: The Last Airbender. Here’s how it works and who else can use ...

Imagine you are a law-abiding green-card holder returning to the United States after visiting your parents abroad. At the border, you expect an easy entry; after all, as a lawful permanent resident, ...