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 ...

For centuries, humans have looked up at the stars wondering if there are creatures “like us” out there. Science fiction authors have offered cautionary advice: “careful what you wish for.” What if ...

Imagine a time when spaceships suddenly appear in the sky, and hostile aliens start to pummel the planet. People in Alabama will have several advantages if they’re faced with extraterrestrial foes — ...