Thanks to protective efforts in Russia, these critically endangered big cats have renewed hope of avoiding extinction.

The “extinction capital of the world” could start losing unique plant species in as little as a month if funding disappears.

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

Video: The big cats face a long list of threats, from climate change to habitat loss to the illegal pet trade.

The 196 nations that agreed to the Aichi Biodiversity Targets have just two years to meet auspicious conservation goals. How are we doing?

A new book offers insight into how our public lands were created — and what that means as we fight to protect them today and in the future.

A Republican bill threatens to open up federal wilderness areas to mountain biking — and in the process threatens the 1964 Wilderness Act.

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.

Archivists are working to save decades of film and other scientific information that could hold clues to protecting species and habitats today.

The National Butterfly Center just filed suit to block Trump’s border wall from being built on its property in Texas.