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

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 ...

Koalas have a well-earned reputation for being dopey. Sleeping 19 hours out of every 24, and feeding for 3 of the remaining 5 hours, there doesn't seem to be much time for anything else in their ...

Fatal attractions are a standard movie plotline, but they also occur in nature, with much more serious consequences. As a conservation biologist, I’ve seen them play out in some of Earth’s most remote ...

Splashes at the surface give an indication of the commotion below. Beneath the waves, a tornado of hundreds of devil rays swirl in a dizzying dance that goes on for hours. "It's amazing to see a ...