As we enter the dog days of summer, people will try all sorts of things to escape the heat, from sweating in front of a fan to drinking a piping hot cup of tea (which actually does help). But body ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet initiative has ...

For river otters, pooping is a social event. And their droppings are providing a heap of information for biologists. Katrina Lohan and Karen McDonald North American River Otter (Lontra canadensis) at ...