Popular national parks brace for record-breaking visitation as peak summer travel approaches. But away from the spotlight, a ...

Scientists have hypotheses about some of nature's biggest mysteries but are still working on proof. Some beautiful phenomena ...

Climate change has locked in at least 75% of glacier loss in Western Canada and U.S., raising concerns for downstream ...

These 30 photos showcase the most mind-blowingly gorgeous, almost unreal places our world has to offer. Bolivia’s Salar de ...

Climate change has put Western Canada’s glaciers on track for devastating loss over the coming decades, with the southern ...

Summer in Minnesota means lakeside dining and pizza farms, sweet ice cream stops, and vibrant music festivals across scenic ...

Earth and space mingle in stunning ways for the 2025 Milky Way Photographer of the Year contest. From the “geological ...

The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth spruce over an area of 229 square miles. The blast and ensuing debris ...

KIRO 7 News is looking back at many of the unsolved homicide and missing person cases in Tacoma and Pierce County.

It was once an ordeal to get here, but Swiss engineering prowess has pierced a route with awe-inspiring road and rail tunnels ...