Jaguars in the Pantanal behave more like tolerant neighbors than rivals and have a surprising diet: they mainly hunt fish and caiman.

Peatlands cover just a fraction of Earth's surface, but store huge amounts of carbon. In the Peruvian Amazon, one of these swamps has switched to carbon neutral.

Along a narrow mountain road snaking through the Himalayas, a clawed creature with "bent" toes moved along the ground. Its ...