A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

Between government document dumps and a Spielberg movie about extraterrestrial life, it’s a good week to believe in aliens.

Is it the invasion of the genome snatchers? Just in case the idea of aliens walking around in human skin suits wasn’t frightening enough. An outlandish study asserts that aliens might have abducted us ...

The global dispersal of marine and estuarine crustaceans / James T. Carlton -- Human-mediated spread of alien crabs / Annette Brockerhoff and Colin McLay -- The global spread of the Chinese mitten ...