The Lyell Glacier, the largest glacier in Yosemite National Park, has stagnated, or ceased its downhill movement, according to a recent study conducted by scientists from the National Park Service and the University of Colorado.

A weekly ranger-led snowshoe hike, including one by moonlight, is scheduled at Voyageurs National Park through the next month.

The old school bus rumbles to life with a painful metallic grinding and we roll forward, our chariot rocking side to side down a rutted, muddy street of a small crossroads town called Dumre in central Nepal. Angling down a hillside, the bus lists heavily to starboard and moves too slowly to escape its own cloud of choking exhaust, which drifts in through the open windows.