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 ...

We may receive a commission on purchases made from links. Having a routine is essential during all phases of a dog's life, from puppy to senior, and with this comes an understanding of specific ...