Learn about animals, including the latest animal news, advancements in animal health research and animal photos.
Zoos around the world present holiday treats to their animal residents.
Embrace the uncomfortable truth that sometimes nature bites.
Newly discovered sea cow fossil helps scientists understand Madagascar's evolutionary history.
Video: The zoo is one of the few diversions available in Gaza. After their two zebras died, the Marah Zoo found it impossible to replace them. That's when zoo workers got creative.
Do you like your animal videos gory, shocking, or just super funny? Shea Gunther has picked out the best of the best.
Do you like your animal videos gory, shocking, or just super funny? Shea Gunther picks out the best of the best.
Video: For years, animal rights groups have alleged that the elephants in the Ringling Bros. and Barnum & Bailey Circus are mistreated. TODAY'S Natalie Morales goes behind the scenes with the circus elephants to find out more.
Just 400 meters can lead to fascinating differences in species.
Makeshift shelter is first known instance of an invertebrate acquiring tools for later use.
Video: Animal shelters in California are reporting a glut of abandoned Chihuahuas, leaving officials scrambling to find homes for all the tiny dogs. NBC's George Lewis reports.
Photo gallery: Whether with paws, jaws, hooves or hands, the animal kingdom is filled with creatures that can express themselves through art.
As blue whale populations boom, the frequency of their calls is decreasing -- probably because potential mates are a lot closer than they used to be.
Marine Mammal Program trains and employs sea lions and other animals for military duty.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.