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 X-Men broke out in the 1980s and became Marvel's most popular superhero book, and here are the best villains they fought.

Take a drive to the CIA’s Area 51 – a route with more UFO sightings and unexplained mysteries than anywhere else on Earth ...

Flash Gordon #18 finds our heroes caught between trigger-happy humans and well-armed Mortifacts. Can diplomacy win, or will ...

The heaviest sci-fi books of all time include classics like Brave New World and Nineteen Eighty-Four alongside newer novels ...

The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an ...

The 1990s weren’t that long ago, but they can feel like an entirely different civilization to people who grew up with ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

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

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...