Rare footage shows a dolphin nipping a much larger black caiman—a glimpse into the complex dynamics between two of South ...

The Iberian lynx—one of the world’s most endangered cats—made a giant leap toward a comeback in just a few years, easing the way for other species to follow in its path.

The nautilus’s lineage made it through all five of Earth’s previous mass extinctions. But can it survive the Anthropocene?

Scientists in Slovenia are working hard to protect a cave-dwelling salamander – and the subterranean habitats that supply much of the region's drinking water.

The population of this critically endangered bird has stabilised thanks to the conservationists who look after them, but what happens if the caretakers leave?

In northeastern India, taking care of a vulnerable species also means looking after the humans who live alongside it.

Despite a range of threats, from goats to cyclones, Socotra's dragon blood trees are staging a slow comeback – with the help of the people who know them best.

What do we know about the seafaring tendencies of crocodiles? And what to make of multiple alligators turning up in the surf in the United States? And hey – what happens when a high-seas ...

As recently as the 1980s, no one knew whether ocelots still lived in the United States. When a biologist named Michael Tewes set out to look for them, many researchers assumed they’d been ...

How do you tell a defensive black bear from a predatory one? What should you do if you're facing a bluff charge? When attacked, do you fight or play dead? Here's your 101 guide to staying safe in ...

A reimagined approach to an age-old practice is helping to fight malnutrition in Madagascar – and may also help save the island nation's imperilled lemurs.

Buried in mud for millennia, some of New Zealand's ancient kauri trees are revealing surprising clues about Earth's climate – past, present, and future.