SEATTLE — Salmon migration and spawning peaks in October in western Washington, but the record-breaking warm and dry summer in 2022 is having an impact on salmon numbers. All salmon first pass through ...

As the Biden administration prepares to make the biggest investment in U.S. infrastructure in more than a decade, there’s much discussion about how systems like roads, bridges and electric power grids ...

Rising water temperatures in the Columbia River Basin are raising questions about whether fishery managers must take new steps to save the imperiled fish. A persistent heat wave gripping parts of ...

When you get high enough into the mountains of Idaho, the fish are in the trees. For the past million years or so, sockeye and Chinook salmon have migrated 840 miles upstream from the Pacific Ocean, ...

High Country News’ twice weekly email newsletter includes our latest on-the-ground reporting and investigations from across the West. I’m studying how human-made structures affect salmon migration ...

Climate change has led to earlier spring blooms for wildflowers and ocean plankton but the impacts on salmon migration are more complicated, according to new research. In a new study, published in the ...

LEWISTON, Idaho – Temperature differences and slow-moving water at the confluence of the Clearwater and Snake rivers in Idaho might delay the migration of threatened juvenile salmon and allow them to ...

Ashlee Abrantes receives funding from the National Science Foundation Graduate Research Fellowship Program. As the Biden administration prepares to make the biggest investment in U.S. infrastructure ...