"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

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

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...

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

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

The vampiric Queen, Akasha (Sheila Atim), quickly dropped the name “Amel” in her big debut scene in episode five of The ...

Discover the astonishing microscopic life thriving beneath Antarctica's icy exterior. A new PBS series reveals the groundbreaking research that could transform our understanding of ecosystems and ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.