The cap-and-trade debate is still up in the air, and that could put a half-billion-dollar hole in California’s coffers.

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

A new port incentive program in Washington state is being funded through a $6 million grant from the Washington State DOT.

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

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

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 ...

Steve Ghan, a retired PNNL scientist and a member of Friends of PNNL, told the Herald the impacts of jobs that would be lost ...

Lesser goldfinches feast on the seeds of weedy, invasive plants such as thistles and dandelions, which are abundant in the ...

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

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

In a worst case scenario, Pacific Northwest National Laboratory could lose 1,100 employees due to federal budget cuts ...

Northwestern University researchers are giving the city 30 recommendations to better prepare for heat waves and potentially ...