Perhaps it's a good thing we haven't found E.T. yet — he might cause us to become extinct. A newly published study suggests that alien species – or those not native to a particular environment – are ...

Thousands of alien species could invade the Arctic, warns a new study. Warmer temperatures and more tourists make it easier ...

Alien: Earth series will debut at least four new Alien species, including a flying and potentially eight-legged variety. The series may feature an apex Alien, expanding the Alien universe. Speculation ...

Up to 16 percent of all species on Earth could qualify as potential alien species and if they invade new regions, impacts will be difficult to predict. Up to 16% of all species on Earth could qualify ...

Alien species are the main driver of recent extinctions in both animals and plants, according to a new study by UCL researchers. Alien species are the main driver of recent extinctions in both animals ...