Marine protected areas can benefit sharks and other oceanic species — but only if they’re properly established, according to a new guidebook.

The United Nations recently identified overfishing as one of the major threats to the world’s biodiversity. But there’s a solution to help both fish and people.

Flawed laws, vested interests and problematic enforcement have allowed the captive-lion industry in South Africa to boom. Change, one expert writes, may need to come from outside.

When big cats cross from one country into another, they can fall victim to wildlife traffickers, drug cartels, highways and more emerging threats.

Is it worth flying halfway around the world to see an endangered species if the greenhouse emissions from flying put that species further at risk?

The worldwide demand for limestone for use in cement production threatens these rock-climbing species and other amazing wildlife.

The tragic death, following an artificial insemination procedure, leaves just three turtles of the species alive.

Decades after being wiped out in the Lone Star State, black bears are slowly returning. Experts fear that a border wall between the United States and Mexico would end that recovery.

Railways can be deadly for animals ranging from elephants to grizzlies and frogs, but we’re just beginning to understand the causes and solutions.

The Story of Stuff Project’s Stiv Wilson talks about an upcoming film that traces the life cycle of plastic and the people leading the fight against it.