Discover the 25 rarest animals on Earth, from vaquitas to Amur leopards, fighting extinction. Learn about their struggles and ...

Explore the 25 Most Endangered Species On Earth. Learn about their threats, conservation efforts, and how you can help save ...

An endangered sea turtle named Lucky washed up in Nova Scotia last year. Scientists are trying to solve the mystery of why ...

The Trump administration's twisted definition of one word is putting hundreds of rare animals at risk.

(Gary Braasch / Corbis) When Polynesians arrived at the uninhabited Hawaiian Islands thousands of years ago, they found an array of colorful tree snails, each less than an inch in length, across the ...

Habitat destruction strongest driver of species loss, with legislation keeping 99% of listed species from going extinct ...

A new Stanford-led study offers the clearest picture yet of how some ocean life survived our planet's biggest mass extinction while most animals did not. About 252 million years ago, 96% of marine ...

The new rule restricts federal agencies from regulating habitat destruction unless it injures or kills a protected animal.

Back in 1999, the BBC’s Walking with Dinosaurs series spawned a new format: wildlife “documentaries” featuring long-extinct animals. I’m a big fan of this genre, and Prehistoric Planet: Ice Age, made ...