The Endangered Species Act and the species it protects are presently under threat. That includes the “Great American bear" — ...

When a grizzly starts terrorizing a railroad, the author decided he needed to track down the bear before someone got hurt.

The numbers are fueling the debate about whether grizzlies should remain protected under the Endangered Species Act.

Discover five iconic American animals, from bald eagles to manatees, that nature lovers travel across states to see in their ...

While a flood of news articles, Facebook posts and YouTube videos have attributed the boost in aspen trees to wolves, ...

Claims that wolves have rescued Yellowstone National Park aspen trees through a "trophic cascade" oversimplify a complex ...

Claims that wolves have rescued Yellowstone National Park aspen trees through a ‘trophic cascade’ oversimplify a complex story ...

Grizzly numbers have grown significantly in areas considered “bear country,” like Glacier and Yellowstone National Parks and ...

This top-down effect is technically known as a trophic cascade – a “domino effect throughout the ecological community,” as Pacific Wild puts it. As wolves hunt animals in the rung of the food chain ...

Public comment on rule changes affecting critical habitat, extended protections and economic impact due December 22 ...

A grizzly bear attack on a Canadian school group left 11 people injured in British Columbia on Thursday afternoon. Two of the victims were critically wounded, including a male teacher who “got the ...

This grizzly went fully grisly. A grizzly bear attacked a group of native American schoolchildren and their teachers, injuring 11, some critically — including a heroic school teacher who tried to ...