Studying tree rings helped scientists pinpoint when Mount Rainier last sent a lahar down its steep slopes, which could help planners anticipate future mudflows.

A new seismic station was installed in August 2025 on Burley Mountain, near Mount Rainier. After a swarm of earthquakes ...

Seismometers at Mount Rainier recorded a 72-hour burst of underground vibrations starting November 15, 2025, around 5 a.m. ET, relevant to the Seattle–Tacoma area. The Mount Rainier tremor follows ...

Deep beneath Kīlauea’s summit, a new pattern of shaking is rippling through the rock, replacing the dramatic lava fountains that drew crowds with a subtler but more telling signal. Instead of fire in ...

A dangerous climb is renewing the focus on Mount Rainier's extreme hazards.

Crews recovered the bodies of two climbers from the Wilson Glacier area of Mount Rainier, at an elevation of about 9,600 feet, the National Park Service said Thursday.

Ben Watson, a newlywed who lived in Seattle and worked in environmental science, and Jiri Richter, a software architect and ...

Winter climbing in Mount Rainier National Park is technical and, when paired with extreme weather conditions, can turn deadly ...

The men were avid outdoorsmen who are remembered as passionate and kind.

The National Park Service said the search and rescue operations concluded after they found the hikers' remains on Tuesday.

Search and rescue crews searched for two hikers reported missing in Mount Rainier National Park’s backcountry this weekend.

The true date of the eruption has long eluded—and vexed—historians of the deadly disaster. Here’s what the archaeological evidence tells us. The ancient city of Herculanum was destroyed by the ...