In this undated photo, Chinook salmon spawn in Snake River. (Photo by Natalie Fobes/Getty Images) I conclude here this four-part reflection on salmon and steelhead extinction science, and extinction’s ...

As much as we love a classic New England clam chowder, there are other fish in the sea. Definitions vary, but the only real qualification for a soup to be called a chowder is that it's hearty, chunky, ...

For years, scientists at Pacific Northwest National Laboratory have worked on fish tags to monitor salmon. Those original tags weighed around 2 grams, less than what a penny weighs. Now, new ...

PORTLAND, Ore.(AP) — Conservationists and the state of Oregon have asked a federal court to approve changes to dam operations on the lower Snake and Columbia Rivers to help restore salmon populations, ...

1. Introduction -- 2. Salmon Geography and Ecology -- 3. Human History and Influences -- 4. States of Salmon -- 5. Values and Institutions -- 6. Genetics and Conservation -- 7. Habitat Loss -- 8.

Of all the schemes that humans have devised to keep sea lions from gorging on the salmon of the Columbia River basin, none has worked for long. Local officials and researchers have chased sea lions ...