Steven Spielberg once again made a movie that focuses on aliens coming to Earth, so it's probably worth watching some other ...

That little alien emoji staring back from your phone, with its smooth, bulbous head and almond-shaped black eyes, has ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

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

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

A look at the idea of searching for signs of pollution beyond Earth.

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...