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 ...

We spend one-third of our lives asleep. This biological fact is something that, with time and technology, is less and less taken for granted. In many science fiction stories, the future of sleep is ...

A number that sounds like plenty for humans turns out to be the smallest ration of sleep in the entire primate order. Biologists are still working out why. Seven hours sounds like a reasonable, even ...