National Geographic Explorer Ronan Donovan, a wildlife biologist turned conservation photographer, will be coming to the Wheeler Opera House in Aspen on Dec. 16 to explore what it means to be human in ...

While some animals (and humans) hibernate in winter, other species are at their most active. Whales, butterflies, and birds are migrating; elephant seals are mating; and wolves are actively hunting ...

Stark black against an open sky, common ravens are often spotted soaring above wolves in Yellowstone National Park. Researchers assumed that the ...