Most amphibians die when exposed to salt — except the crab-eating frog, which thrives with it. Here’s how it rewrote the ...

Ancient fossils reveal the oldest known vertebrates had four eyes. Remarkably preserved fossil specimens show they could see ...

As habitats and hosts keep vanishing, the bloodsuckers are turning to us for a free meal.

Sleep looks peaceful on the outside, but inside the brain, it is anything but ...

The gender gap has hit the animal kingdom ...

The unexpected observation of a cow using a broom to scratch herself isn't necessarily surprising, but it expands our ...

Climate change has a wide range of effects on wildlife. It affects seasonal migration, reproduction times, body size and mass ...

The strong preference for humans could lead to the transmission of more viral diseases and adverse health outcomes for people ...

While the average person may believe we’re losing species faster than we can discover new ones, that may not be the case. A recent analysis hosted at the University of Arizona has researchers arguing ...

These animals have highly unusual diets, evolving to consume anything from toxic plants to venomous arachnids.

With human presence driving away animals from their habitats, mosquitoes that once fed on a wide variety of hosts might be ...