One of the world’s oldest national parks, Mount Rainier became part of the federal system in 1899, shortly after its last eruption. Park status was the culmination of a long campaign by John ...

While the mountain hasn't been very active lately there's a possibility it could erupt in our lifetime. According to ...

The Pacific Northwest's most active underwater volcano, is showing signs of an impending eruption, potentially occurring ...

The closure will pinch recreational access to Mount Rainier National Park, rendering two of its precious few entrance points ...

In the first simulation ... In the wake of the Mount St. Helens eruption, the US Geological Survey set up an lahar detection system at Mount Rainier in 1998, which since 2017 has been upgraded ...

Part of Mount Rainier National Park became inaccessible on Monday after Washington officials shut down a bridge leading to the northwest area of the park. Washington State Department of ...