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 ...

At nearly twice Earth's size with a denser atmosphere, this fictional world hosts creatures that dwarf anything alive today, ...

Producer David W. Zucker provides an update on the second season of Dope Thief, the Ridley Scott-produced Apple TV crime ...

What if some stars we see host alien megastructures? Scientists suggest cooler stars might be surrounded by giant Dyson ...

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

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

Elon Musk’s plans for the future of SpaceX, and humanity, are rooted in an idea conceived in the 1960s when astronomers began ...

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

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

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

Apple TV+ has gradually become one of the strongest homes for science fiction on television. The streaming service has invested heavily in ambitious genre storytelling, from alternate-history space ...