Prefer Newsweek on Google to see more of our trusted coverage when you search. Purple is the new green, as far as aliens are concerned, anyway. If you were asked to imagine an alien planet, it would ...

The following essay explores an oft ignored concern in extraterrestrial research — what color would an alien’s trousers be (if he/she/it were even wearing trousers)? On June 4, Peggy Kolm posted her ...

As an astrobiologist, I often get asked how aliens would look. What people usually mean by “aliens” are complex, animal-like aliens—often humanoid in form. From the natural history of life on our own ...