PILCHUCK RIVER, Snohomish County — With a thunderous roar, the Chinook helicopter emerged above the treetops. Four uprooted ...

A series of cold fronts and northwest cloudbands will cause a mix of rain and snow across Australia this week, affecting ...

Even in a warming climate, brutal cold snaps still hammer parts of the U.S., and a new study uncovers why. High above the ...

A new invited commentary by Ke Chen, associate scientist in the Physical Oceanography department at Woods Hole Oceanographic ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, ...

Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. -- and this study explains why. Researchers ...

A wrongful death suit against oil firms raises questions about accountability and the seriousness of climate change ...

Lookout Fire burned most of a forest in Oregon. What's unfolding in the aftermath could inform the future of other forests ...

A weather alert through Tuesday morning for northwest Montana, especially area lakes and Glacier National Park. Strong thunderstorms are possible Monday evening followed by rain and mountain snow, wit ...

Stratospheric polar vortex changes still trigger brutal U.S. winter cold snaps and extreme weather despite a warming climate.

Smoke from wildfires in Canada and Idaho barreled into Montana on Monday afternoon, rapidly degrading air quality across the ...

Residents of Calgary and surrounding area shared their photos of a thunderstorm that hit Alberta Sunday evening, pelting parts of the province with hail.