Legislation has been introduced to Congress that would add 415 acres to Casa Grande Ruins National Monument in Arizona.

Montana's U.S. senators say that ConocoPhillips, one of the world's largest energy companies, is giving up rights to explore for oil and gas on nearly 170,000 acres outside Glacier National Park.

A pair of climbers who found themselves in white-out conditions on Mount Rainier are fortunate to have survived their ordeal, which included falling into a crevasse.

Changes to Glacier National Park's bear management plan, made in part to reflect recommendations stemming from the killing of the "Oldman Lake" grizzly sow and one of her cubs, are open for public review until May 7.