This striking insect just gained Endangered Species Act protection, but its habitat is still disappearing.

As the United Kingdom proposes to ban trophy imports, hunting proponents ramp up their efforts to dismiss their critics.

Industrial waste from a mill is leaching into the groundwater and polluting the Clark Fork River. A major flood could cause an even bigger catastrophe.

Scientists “tromp out there into far-away places” to learn how to help recover three elusive, high-mountain predators: wolverines, Canada lynx and Cascade red foxes. 

New international agreements are a step in the right direction, but the real work to ensure robust and equitable protections is just beginning. 

With fewer than 500 individuals left, this is not only one of the word’s lesser-known crocodilian species but one of our most endangered reptiles.

We followed a wandering wolverine for weeks in the Arctic and found a frozen mystery.

A new book from water expert Peter Gleick urges a rethinking of how we use, manage and value one of our most important resources.

These endangered zebras have experienced one of the most substantial range reductions of any African mammal.

As Antarctica faces a host of human-caused threats, a marine biologist calls for action.