What do you get when you take an alien parasite and smush it together with a human being? Would you get to become a ...

Are we alone in this universe? Is there intelligent life out there? Or are they living among us? Humans have wondered about ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

Every year, there’s a new lineup of such curious clinical conditions. There are always some unfortunate souls to mark medical ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...