Extinction Countdown

Dozens of these water-filtering species are at risk of vanishing, and that’s bad news for every living creature that relies on them.

The most famous rhino in the world has died, leaving behind two aging females and a hole in our world.

Nearly half of all freshwater turtles and tortoises are at risk of disappearing forever, a new report warns.

A new study finds that the big cats and other endangered animals do best in places where there’s no phone coverage.

A new study finds that the often-feared big cats actually help keep crops and domesticated animals safe from other threats.

With just a few dozen left in the wild, things don’t look good for these critically endangered birds. But a captive-breeding program could help save them.

The subspecies has now been removed from the Endangered Species Act, 80 years after its last sighting.

According to the latest IUCN Red List update, 13 percent of the world’s bird species are now threatened.

2017 was another deadly year for panthers. How many more years can this critically endangered species survive?

Only 35 Mount Graham squirrels remain in the wild, but five captive squirrels could hold the key to their long-term survival — if we can get them to breed.