In honor of National Endangered Species Day, discover several important and fascinating species at risk of extinction.

Trevor Starks stands in the Neosho River holding a rare mussel. He’s smiling because this find is his first evidence that the mussel, a Neosho mucket, is surviving here eight months after he and other ...

New research suggests Hawaii's wetland birds were not driven to extinction by hunting alone. Discover what it means here!

Before scientists even knew how many Florida scrub millipedes were left in the wild, a quiet breakthrough happened in a University of South Florida lab. The rare, giant millipedes reproduced in ...

A single photo is giving conservationists hope for one of the world's rarest bats. A wildlife photographer on a remote Australian island captured what is believed to be the first-ever image of a ...

Nature is full of wonders, and some of the most amazing surprises come from how animals reproduce. While most of us think that having babies always requires a male and a female, that’s not true for ...

Every five years, a small group of biologists and environmentalists assemble in a large corner office in Springfield with long glass windows. Inside that room, they weigh in on the fate of every ...

Q. I get different answers on the Internet when I ask what is the rarest animal in the world. What’s the correct answer? A. In the strictest sense, the answer to your question could change daily.

A monarch butterfly lands on a zinia at Verrill Farm on September 26, 2025. Editorial Fellow From animals as small as American bumble bees and monarch butterflies to those as large as manatees, bison, ...