Though much of the wildfire smoke will remain high up in the atmosphere, a portion will mix with air on the surface, ...

Once thriving, there are now believed to be just 73 Southern Resident killer whales left in Washington state's Puget Sound.

The Wenatchee is making history in the Puget Sound.  The Washington state ferry is running on hybrid-electric power. The ...

Researchers have found that the rates of pollution falling from the sky onto Washington state's Puget Sound are far lower -- some by as much as 99 percent -- than earlier estimates. Despite the ...

Tacoma-based Harbor Custom Development Inc. has listed six Puget Sound-area apartment projects for $278 million. The move takes advantage of the rising value of multifamily developments, the ...

The Seattle Fault Zone has given Puget Sound residents a couple of scares in the past century — Tacoma experienced a 6.7 magnitude earthquake in 1965, and a 6.8 magnitude earthquake struck the ...

Heidi Wilken, lead dive safety officer, front, and Olivia Castro, diver, head out to an area in Puget Sound near Tacoma’s Owen Beach to survey kelp, Monday, July 24, 2023.

Puget Sound Energy, with 1.1 million electric customers and more than 800,000 natural-gas customers primarily in Western Washington, says its $310 million investment in the LNG plant delivers ...