An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Stellar storms could be masking Alien radio messages.

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

If you're looking for a highly replayable JRPG, here are 8 NieR: Automata moments that completely change its meaning once you ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...