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 ...

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 ...

(CNN) — For some, happiness is getting enough sleep. But for a small marsupial in Australia, sex is a higher priority than getting some shut-eye — and it is willing to sacrifice hours of it daily to ...

Joel Berger receives funding from Colorado State University and the Wildlife Conservation Society. Fatal attractions are a standard movie plotline, but they also occur in nature, with much more ...