More than a million species are at risk of extinction, many within decades, because of human actions. Kāhuli, Hawaii's native tree snails, are among these at-risk species. They're some of the most ...

Photographs of a leopard snapped by camera traps in forests in Bangladesh's Chittagong Hill Tracts have raised hopes among conservationists working to save the critically endangered species.

Some scientists looking to preserve vulnerable species have turned to a controversial technique: synthetic biology. This ...

As their population expands, some states feel grizzlies should no longer be protected. As their territory expands into cattle country, local ranchers reassert that grizzlies should be delisted under ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The US Fish and ...

Join comedian Pax Assadi and conservation hero Nicola Toki as they dive headfirst into the Hauraki Gulf, where they come close to teeny tiny birds and majestic sea creatures. Nicola and Pax are diving ...

Dappled sunlight falls on a collection of potted saplings ready for planting that could change the course of a native species' survival. The Bulberin macadamia nut, macadamia jansenii, is extremely ...

Pax and Nicola travel to the magical island of Te Hauturu-o-Toi a.k.a Little Barrier Island to search for endangered species in a real-life Jurassic Park. Pax and Nicola venture out into the remotest ...