Mating calls and rituals can be intercepted, or drowned out, by invasive species. Scientists are just starting to understand ...

A boa constrictor in the U.K. gave birth to 14 babies — without a mate. Is it a miracle? The result of a secret rendezvous? Probably not. Females of species have the ability to reproduce asexually, ...

Finding a mate is hard in the animal kingdom! As these strangest animal mating rituals show, it sometimes gets even more ...

All animals need sleep. When humans or animals don't get enough, it can lead to trouble paying attention, irritability, and other ill effects. And yet, researchers reporting in the journal Current ...

For some animals, reproduction comes at the ultimate cost—their own lives. While this may seem extreme, it's a natural strategy to maximize reproductive success. These species invest everything into ...

A snake in the U.K. has drawn attention to the ability of some female species to reproduce without a mate. The boa constrictor gave birth to 14 babies last week at a school in the city of Portsmouth ...