The women were close friends and skilled skiers from the Bay Area, Truckee region and Idaho, their families said. Meanwhile, California officials warned of high avalanche risks in coming days.

A coalition of public lands advocates and historians has filed a federal lawsuit against the Trump administration, accusing it of censoring American history and science at national parks, including several in the Mountain West.

Eight people are dead after being caught in an avalanche northwest of Lake Tahoe. Dangerous conditions are making it difficult to locate one person who is still missing and presumed dead.

More than a century after the Mountain West’s silver and gold rushes, mercury used to process those metals is still moving through a northern Nevada river system and showing up in local wildlife.

The search continues for nine skiers caught in an avalanche north of Lake Tahoe, California. Six others were rescued Tuesday amid one of the strongest winter storms of the year in and around the Donner Pass.

With a cloudy long weekend up ahead, keep a close eye on today's weather for your travel plans.

The power grid across Western states is under growing strain. Now, a new report argues the region’s governments and utilities need to work together to keep the lights on and costs down.

Across the Mountain West, groundwater is the unseen force keeping springs flowing, wetlands green, and desert plants alive. Now, a new interactive tool is making that hidden water easier to see.

Pressure to reach a deal is building. Forecasts for the water supply from the Colorado River continue to grow worse as snowpack lags far behind normal across the West. And negotiators from the basins have said there are "sticking points" that remain in the negotiations in recent weeks that even marathon talks have failed to resolve.

As much of the Mountain West faces another dry winter, researchers are turning their attention underground to the water many communities rely on but rarely see.