Scientists found a “thick”-lipped creature in a “swiftly flowing” river of Switzerland and discovered a new species, a study said. Photo from Calegari, Freyhof, Waldock, Wegscheider, Josi, Rüber and ...

Three cattle on the left, 20 elephants on the right,” shouts the expedition leader from the bow seat of the first of five ...

Biologist Mike Ross, balanced in a canoe beneath a star-filled sky in central Zambia, slaps the water with a net attached to ...

Sophie Parker, a senior scientist with the Nature Conservancy in Los Angeles, on the bank of the Amargosa River. The Amargosa River system flows through the Mojave Desert, hosting plants and ...