Add Yahoo as a preferred source to see more of our stories on Google. Have you ever wondered what you would do if a) aliens were real and b) they decided to pay us a visit? How would we and our fellow ...

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 ...

The big screen has played host to many epic alien invasions, but so have our TVs, and here's the five best alien invasions that took place in our living rooms.