An international research team led by the University of Vienna has produced, for the first time, high-resolution global maps of invasion risk for thousands of alien plant species under current ...

A Harvard professor said he expected us to encounter a technological device guided by AI rather than a biological visitor such as ET, as portrayed in Steven Spielberg's 1982 hit film.

A mysterious object spotted hurtling toward Earth has sparked a wave of global panic and wild alien invasion theories online. Unsplash Astronomers have confirmed the discovery of a new interstellar ...

Add Yahoo as a preferred source to see more of our stories on Google. Some of the greatest sci-fi movies of all time revolve around humans in a desperate struggle for survival. Sometimes we’re ...