Dolphins aren't the only animals that use tools — octopuses and otters do too.

The light of the moon can shape hunting, mating and more in the ocean.

The best thing to do is work to prevent the next one. Here are some ideas.

Conservationists that don’t stay up to date on the scientific research are likely to endorse ineffective policy solutions, but when scientists and conservationists work together, both groups benefit.

Held every four years, the World Conservation Congress’ meeting of the IUCN’s highest decision-making body is one of the most important conservation events you likely don’t know.

Walking sharks are millions of years old, there's no reason to panic about the "new" ones recently discovered.

No, sharks aren’t coming into shallow water any more than usual—but now everyone at the beach has a camera.

No, whale sharks' eyeballs are not covered in miniature teeth. Here's what the discovery of dermal denticles in a whale sharks eyes actually means.

The IUCN Red List is a collection of the best available scientific data analyzed and summarized by an international team of experts—such an assessment is not an opinion and not a guess. But such an assessment does not carry the force of law, and IUCN Red List Endangered status doesn’t mean the same thing as being considered endangered under the U.S. Endangered Species Act.