Two major alien-life announcements in 2025 generated enormous excitement, but most astrobiologists remained unconvinced. Only 6.6% of surveyed experts thought possible biological molecules on K2-18b ...

From stranded astronauts to first contact and alien intelligence, these five sci-fi novels should fill the gap on your ...

Researchers want to explore the idea that microscopic particles shed by alien civilizations have accumulated on the lunar surface, making it an archive of extraterrestrial technology.

People were allegedly advised to call the United Nations' "alien communications specialist" if they made contact with ...

From the Star Wars spin-off The Mandalorian to the classic series Star Trek: The Next Generation, these are the best sci-fi ...

A team of researchers argues that the Moon could have been collecting microscopic fragments of alien technology for billions ...

From microscopic organisms living on frozen worlds to bizarre creatures drifting through alien skies, this journey explores ...

Sigourney Weaver cemented her cult sci-fi status playing Ellen Ripley in the "Alien" franchise, but she's also starred in some of the best sci-fi flicks.

To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

Explore iconic long-running sci-fi shows driven by brilliant high-concept ideas that captivated audiences for years, from ...

October is shaping up to be a surprisingly intriguing month for sci-fi books, with familiar worlds being reinvented, ...