Early cinema depicted aliens as human-like for familiarity and practical reasons, but modern science fiction explores unrecognisable forms, challenging perception and our capacity to comprehend the truly alien.

When astrobiologists are asked what aliens might look like, many now point not to distant galaxies but to some of the strangest corners of Earth, where researchers on several continents are using extreme microbes,

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

'Alien: Earth' creator Noah Hawley and 'Predator: Badlands' director Dan Trachtenberg both address the crossover at San Diego Comic-Con. Reading time 2 minutes So over here we’ve got new Alien movies and a new Alien TV show. And over there we’ve got ...

Close-up of Pseudoproscopia latirostris, a unique grasshopper species with an elongated head. Native to South America, it uses its distinctive shape as camouflage in ...