A mother and calf humpback whale swim in the Exmouth Gulf in Western Australia. Fredrik Christiansen/Functional Ecology hide caption
animals
Say what you will about naked mole-rats, but their bodies have a trick that lets them survive periods of oxygen deprivation. Roland Gockel/Max Delbruck Center for Molecular Medicine hide caption
Researchers Find Yet Another Reason Why Naked Mole-Rats Are Just Weird
An Army horse wears a gas mask to guard against German gas attacks. Courtesy of U.S. National Archives hide caption
The Unsung Equestrian Heroes Of World War I And The Plot To Poison Them
In a photograph taken Saturday, volunteers prop up a pilot whale at Farewell Spit in New Zealand. Overnight, more than 200 of the stranded whales returned to the sea. Marty Melville/AFP/Getty Images hide caption
A group of false killer whales is stranded near the Florida Everglades. AP hide caption
Flowers and sympathy cards for Harambe the gorilla at the Cincinatti Zoo. This year was one for celebrity deaths, human and animal alike. John Minchillo/AP hide caption
Mental illness can be isolating, making the companionship of pets even more precious. Gary John Norman/Getty Images hide caption
Trail cameras in Gardner, Kan., captured wild scenes from a local park — just not the type of scenes police were expecting to see. Gardner Police Department hide caption
In Zimbabwe's Hwange National Park, elephants drink from a watering hole. Winfred Wisniewski/Getty Images hide caption