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.

A more personal tragedy kept Ward from nautilus field research for several decades. On an expedition to New Caledonia in late 1984, his dive buddy drowned while the pair checked on nautilus traps.

Livelihoods have been upended as well, such as when the animals raid residents’ small palm oil, chocolate, or nut plantations. Devastated and infuriated by the loss of crops they rely on for ...

Until now, the main tool to eliminate invasive fish species has been the potent chemical rotenone. The trouble is that “it also kills all the other fish, including the ones you are trying to ...

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.

Days of Plenty. The hooded grebe was unknown to science before 1974. That’s when researchers made a surprise discovery while preparing bird specimens for a museum collection, says Santiago ...

A greater one-horned rhino wears a radio collar in Manas National Park, Assam, India, enabling rangers to more easily track the animal's whereabouts.

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.

Lately, vagabond Indo-Pacific crocs have increasingly turned up in the Maldives, most often during the rains of the Northeast Monsoon. In 2015, there were more than a dozen crocodile sightings in ...

Droughts, wildfires, and heat waves are putting unprecedented strain on newts. With help, scientists hope, they may be able to persevere.

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 ...