Counts at Oregon’s Whale Watching Center at Depoe Bay have been between five and 10 per day.

A new NOAA report shows that ocean conditions seem to be returning to normal.

The oceans off Oregon and Washington are ground zero for ocean acidification, and Northwest scientists have been at the forefront of a new line of research.

Far more farmed salmon escaped from a collapsed net pen in Puget Sound than was first reported.

When the Trump administration announced its plans to open up the entire Washington coast, including the Olympic Coast National Marine Sanctuary, to oil exploration, I was pissed off.

A team of U.S. and Canadian scientists are researching whether enforcing vessel speed limits could buy the whales more time.

Many shellfish grown in coastal British Columbia have plastic in them, according to research led by shellfish biologist Sarah Dudas.

The Venture Point fish farm in British Columbia. A recent escape in the San Juan Islands has raised new concerns about aquaculture on both sides of the U.S.-Canadian border.

Thousands of tourists migrate to Seattle’s waterfront each year to experience the ferry rides, kitschy stores and sweeping views of Elliott Bay.

An expanded Trans Mountain oil pipeline could carry 890,000 barrels of crude a day, more than the controversial Keystone XL and Dakota Access pipelines.