Mount Rainier on Tuesday experienced its largest seismic activity since 2009, with a swarm of small earthquakes detected.

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano ...

Mount Rainier was experiencing "the most significant seismic activity" at the volcano in more than 15 years as an "earthquake ...

Brace yourself for the new math of Mount Rainier National Park’s northwest corner.

Several of Mount Rainier’s glaciers are already gone, experts say, and others aren’t far behind. The News Tribune asked what that means for visitors.

Guide to the best hotels and things to do in Mount Rainier National Park. Maps, travel tips and more.

Glacier loss on Mount Rainier accelerates, altering ecosystems and traditions. Tribal members report shrinking salmon runs and warming rivers Artists and climbers document visible glacier retreat ...

Several of Mount Rainier’s glaciers are already gone, experts say, and others aren’t far behind. The News Tribune asked what that means for visitors.