Past research shows bears are sensitive to small amounts of habitat intrusion by recreation and development. But what's the impact now as both of those go boom?

Steve Fuller, winterkeeper of America's oldest national park, takes note of Yellowstone's most dramatic season

Is outdoor recreation Manifest Destiny 2.0?  Get ready, the West is about to experience a rush to expand the outdoor recreation infrastructure like never before. Is that a good thing for nature?

If  you could time travel and carry an environmental message to your ancestors, what would you say? Supaman goes back to the future, reminding young people why they need to care for the Earth

If bear spray isn't readily accessible, what good is it? Richard Siberell's 'Bearosol Holster' designed to give mountain bikers and others easier reach to spray when bears appear and seconds matter 

A developer's proposal to build a 'glampground' on the banks of the famous Gallatin River stokes controversy and calls messaging used by American conservation groups about recreation into question

What happens when a bunch of federal bureaucratic agencies are thrown together with a mission to protect America's best wildlife ecosystem? Not enough, argues Earle Layser in part two of his series on Yellowstone