Learn about animals, including the latest animal news, advancements in animal health research and animal photos.
Costa Rican man has a special friendship with a crocodile he nursed back to health after finding it dying of a gunshot wound.
Op-ed explores meat as the environmental good guy.
German zoo features rare hybrid species, but there are only 17 confirmed animals in existence.
A net full of huge jellyfish brings down a 10-ton Japanese fishing trawler, pitching its crew into the sea.
New study proves visual system is key for birds using Earth's magnetic field to navigate.
Scientists hope animal experiments will better explain how space radiation affects humans.
Researchers in Myanmar unearth an oddball insect with a horn and five eyes, characteristics that were an advantage 100 million years ago.
Gigantic shark estimated to be 15 feet long nearly bites a 9-foot rival in half off the Queensland coast of Australia.
New Zealand couple shocked to discover that cat is still alive after spending 19 hours in a freezer.
10 remarkable animals that have saved lives.
As summer kicks into full swing, we're not the only ones struggling to cope with the heat. Here's how some of nature's cutest creatures cool off.
Mothers of nature: See the cutest animal babies — in honor of Mother's Day, of course.
See what's going on with the today's green photos.
We've displaced animals with our buildings and roads, introduced invasive species to wreak havoc on local habitats, and mercilessly hunted down game for sport, food, medicine or reality television.
Video: Learn more about the disease that has killed one million bats since its discovery in 2006.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.