Some national park hikes test more than your legs—they push your limits. These trails climb high, stretch long, and pull you ...

Is cloud seeding safe? Jonathan Jennings explains the science behind the technology in Colorado, Utah and Wyoming.

The series of earthquakes is the first major swarm of seismic events since 2009. Is it safe if you’re planning on visiting?

Jeff Wolff captures breathtaking photos of Tacoma and Mount Rainier while everyone's busy sleeping. #k5evening ...

The U.S. Geological Survey Cascades Volcano Observatory said the swarm began early Tuesday at the 14,410-foot volcano near ...

Reflection Lake is one of the most photographed views in Mount Rainier National Park, Washington. The lakes offer the opportunity to get not only amazing photos of the mountain but wildflowers and ...

More than 400 earthquakes rattled Washington's Mount Rainier over just 12 hours on Tuesday, sparking fears that the ...

More than 400 earthquakes rattled Washington's Mount Rainier over just 12 hours on Tuesday, sparking fears that the ...

A stray sprinkle or two is possible from the coast to the Willamette Valley on Wednesday. No measurable rainfall is expected ...

Hundreds of small earthquakes rattled one of the most dangerous volcanos in the US Tuesday, setting off fears it could be ...

Swarms of 100 small Mt Rainier earthquakes were recorded recently. Read about this stratovolcano to discover 9 Amazing Facts, including its towering Mt Rainier elevation and its biodiversity.