Here are 10 animals that have some of the highest levels of testosterone and the impact it has on their behavior and characteristics.

Scientists discover webbed feet in land animals, challenging common assumptions. This trait, initially for swimming, also ...

A major new study finds the pace of biological discovery is accelerating, not slowing down, and estimates Earth may harbor ...

Imagine you're on vacation, hiking in the mountains of a beautiful state park when your footing slips on a rock. The rock tilts to uncover a snake, surprising you both. Encountering wildlife in nature ...

A "peculiar" ancient relative of the crocodile which experts believe began life on four legs before, in adulthood, it learned ...

Following the tragic news that Sony Animation had canceled an upcoming animated film from Matt Braly and Rebecca Sugar, Amphibia’s creator had released a statement regarding the defunct movie. Luckily ...

If you thought that crocodiles were menacing enough, be glad that you didn’t live in Arizona some 225–201 million years ...

For just one or two nights each spring, spotted salamanders emerge from underground and go in search of vernal mating pools.

Late winter into early spring is the time of year that the loudest singers of the night begin their songs. I’m not talking about crickets – the frogs and toads ...

Arizona is home to seven species of toads and all of them are toxic. Here's everything to know about these amphibians and ...

For just one or two nights each spring, spotted salamanders emerge from underground and go in search of vernal mating pools.

DeSoto State Park in Fort Payne, Alabama is exactly that kind of revelation, sitting pretty atop Lookout Mountain like nature’s best-kept secret. When fall decides to show off at DeSoto Falls, even ...