The Crufts dog show kicked off Thursday. See some of well-groomed pooches from the best known and largest show of its kind in the world.
A polar bear mother -- with cubs in tow -- charges a large male feasting on a freshly killed seal.
Winners of the Ocean Art Underwater Photo Competition snapped some of the year’s best images of sharks, marine mammals and other sea life.
The image of an aquatic carnivorous plant gets the nod in this year's Olympus BioScapes contest, which features microscope photography.
A newly discovered 'killer jaw' crocodile adds to the growing list of toothy marine crocodiles that flourished during the Age of Dinosaurs.
A mountainous region of southeastern Suriname, which some believe has the world's most beautiful and pristine forest, is home to 60 new-found species.