Originally built as early as 4000 years ago, this structure is just one of a larger network in the Salisbury Plain that ancient astronaut theorists believe are more than just ritual sites in this clip ...

Some of the coldest objects currently listed as stars in the Milky Way may not be stars at all. A new study by astrophysicist ...

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

Researchers in a recent breakthrough study have found the possibility of structures in the Milky Way that could be built by ...

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

A new study by Amirnezam Amiri of the University of Arkansas explores how these hypothetical "Dyson swarms" would appear ...

California’s The Integratron was inspired by extraterrestrials – now it’s promising out-of-this-world experiences ...

Season 2 is officially filming at Pinewood Studios, with FX dropping a behind-the-scenes update. Tracey Ullman, Sam Spruell, and Jerome Flynn join Pe ...

While audiences may never get another Sigourney Weaver-led Alien film, the star can be seen in other sci-fi projects like The ...

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