Depending on who's talking, Colorado's wolves are an existential threat to ranching, an imperiled native species crucial to a ...

The loss of Grasshopper Glacier, north of Cooke City, in the heart of the Greater Yellowstone Ecosystem, is a bellwether, scientists say.

On Jan. 12, 1995, more than 50 years after the last wolf had died in Yellowstone National Park, Mollie Beattie carried the ...

We have never been so aware of the risk of collapse due to climate change. And yet, it seems we are unable to make the collective change the situation seems to demand. How can we explain ...