One of the most dangerous fault lines that threatens the United States lurks off the coast of the Pacific Northwest, capable of producing a Pacific-wide tsunami and dramatically changing the landscape ...

Residents across parts of the northwestern United States are under air quality alerts this weekend after smoke from a spate of Canadian wildfires drifted south across the border. Thick plumes of ...

Floods hit parts of the northwestern United States on Friday after heavy rains, while a winter storm brought more than 15 centimetres in snow in the eastern parts of the country, closing schools ...