"Project Hail Mary" really pushes the limit when it comes to non-humanoid aliens. But researchers posit that real aliens ...

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

And if aliens made of different stuff potentially possess consciousness, then why not minds made of silicon, metal, and ...

Though the series’ protagonist is an alien, the show’s science fiction elements were relatively subtle in the early seasons. Harry spends as much time investigating the murder of the town’s last ...

A look at 10 of the greatest alien sci-fi movies, from Ridley Scott's Alien to Denis Villeneuve's Arrival, none by Steven ...

You've seen the famous aliens, planets and scientists, but now it's time to venture even farther into the depths of space.

reports of alien abductions and recovered memory syndrome or studies that don't reach traditional levels of significance. But neither controversial phenomena nor potentially illuminating but ...

Aliens did not visit Earth in the distant past. They didn't build the pyramids or rule ancient Greece from Mount Olympus or teach Mesoamericans how to plant corn. How do I know? Because they didn't do ...