Some scientists believe the sheer number of stars, planets and potentially habitable environments in space makes ...

If you’re concerned about an impending alien invasion, then worry not, because life on nearby exoplanets may not be advanced enough for that to happen. This claim has been made in a new study, ...

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 ...