More than 1 million vehicles use US Highway 191 to enter Yellowstone. With a quarter of all crashes involving wildlife, what's to be done? A new traffic and wildlife corridor study hopes to shed some light on solutions.

To save America's most iconic wildlife ecosystem, two prominent conservationists say in this op-ed that today's epic challenges must be met with grander bolder thinking. If not this, then what?

What's happening near Gallatin Gateway, Montana is indicative, Robert Sisson says, of how developers are making profits but externalizing their costs on citizens and nature

Often cast as liabilities and villains by politicians, grizzlies and wolves in Yellowstone region are bullish assets that keep delivering dividends—as long as they remain alive

North of Yellowstone, no-zoning signs fly like protest flags but residents of beautiful Park County are deeply concerned lack of planning is causing the loss of places they love

Environmentalists often condemn resource extraction, but is the 'natural amenity economy' built on industrial recreation, tourism and real estate sales better for wildlife?

Across West, author Steven Hawley writes, logic that justified damming rivers is wrong. Like Yosemite battle over Hetch Hetchy, Greater Yellowstone had its own fights