Learn about animals, including the latest animal news, advancements in animal health research and animal photos.
Some animals go to great lengths to warn off predators, and this little caterpillar is no exception!
Unprecedented slow-motion video shows what happens when a jellyfish injects its venom.
Pikas are sensitive to shifts in temperatures and their movements are considered a reliable indicator regarding global warming.
The U.S. Copyright Office recently ruled that photos taken by animals belong in the public domain, but photographer David Slater argues there's more to his 'monkey selfie' than meets the eye.
Scientists are trying to determine why hummingbirds have kept their sweet receptors when the rest of their winged cousins have lost them.
Rats aren't universally loved by humans, but they are using their keen senses to detect land mines and recognize tuberculosis in samples.
With only a few thousand snow leopards remaining in the wild, the 2 young cubs are some of the rarest big cats in the world.
This poisonous snake can grow to 10 feet long!
The bright lights of the big city also play a role in increased fertility for urban arachnids, a study finds.
Deer have antlers but cows have horns. Moose have antlers but sheep have horns. Confused? Here's the trick to telling the difference between the two.
Ants naturally band together to prevent the spread of disease, so the parasitic fungus had to adapt its tactics to gather hosts.
Snakes turn themselves into accordions to shimmy up trees.
Poaching is so widespread in Africa that 75 percent of elephant populations across the continent have been declining since 2009.
Scientists aren't sure what happened during the Cretaceous period that resulted in a shift away from toothed pterosaurs.
The Hallucigenia sparsa's spines links it to velvet worms, but it disrupts the evolutionary connections among worms and other arthropods.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.