"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 ...

Earth plants could thrive under the light of an alien sun, according to a recent experiment. A team of astrobiologists planted garden cress seeds and cultured dishes of photosynthetic bacteria under ...

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 ...

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 ...

Aliens have been one of the most enduring elements of science fiction. Sometimes they’re terrifying, sometimes they’re wise, and sometimes, they’re just as confused and neurotic as us with humans.