Astronomers estimate there could be a trillion planets in our galaxy, yet no confirmed signs of alien civilizations. The talk ...

Musk compared consciousness to a candle in a “vast darkness" during remarks about aliens at the World Economic Forum in Davos ...

The curious minds at What If explore what would happen if aliens were secretly living inside Earth, revealing underground ...

Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

A scientist at the University of Glasgow has delved into the possible existence of ...

Gene Roddenberry's idea for Earth: Final Conflict took 21 years to come to fruition, and when it did, it seemed a bit too ...

A "crowdsourced" project in which home computer users were enlisted to help analyze radio signals from space is ending after ...

When you look back at ’90s and 2000s sci-fi, it’s amazing how one movie with a giant stone ring changed virtually everything. Stargate began in 1994 as a single big-screen adventure starring Kurt ...

If someone tried to put a price tag on Earth, what would that number even be based on? Land, oceans, ecosystems, raw ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 'signals of interest' with the world's largest radio telescope. When you purchase through links on ...

A quintessential episode of the original Twilight Zone run, "To Serve Man" was based on a short story by sci-fi writer Damon ...

At Davos, the billionaire said his belief that "it might only be us" in the cosmos drives Tesla, SpaceX, and his vision for ...