Modern astrobiology suggests that alien life would not evolve randomly, but under the same ruthless evolutionary pressures that shaped life on Earth. Scientists expect traits like symmetry, vision, ...

For generations, science fiction has imagined what life might look like on other worlds. These aliens are fictional, sure, but some of them are informed by real evolutionary processes on Earth. That’s ...

Director James Cameron's acclaimed sci-fi movie Aliens turns 40 in August. It's a sequel to Ridley Scott's claustrophobic breakout hit Alien, made in 1979. Where the original featured one terrifying ...