Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, ...

A federal judge in Oregon has ordered narrow changes to hydropower dam operations on the Columbia and Snake rivers in the ...

A decision from the federal government not to list a specific variety of Washington salmon as endangered also stated the proposed Chehalis River flow-through dam is unlikely to seriously harm ...

The judge finds that the Trump administration’s plans for the massive structures would harm salmon runs that are “disappearing from the landscape.” ...

A long-term study shows southern Alaska killer whales switch between salmon species and also eat groundfish as seasons and ...

A long-term study using DNA from whale scat has revealed surprising complexity in the diets of southern Alaska’s fish-eating killer whales.

A federal judge in Oregon has ordered narrow changes to hydropower dam operations on the Columbia and Snake rivers in the Pacific Northwest to help salmon.

A federal judge in Oregon has ordered dams that operate on the Columbia and Snake rivers to generate less hydropower and ...

The well-known salmon life cycle has long been described as going only one way at a time. Juvenile salmon hatch and swim down rivers to the ocean, where they grow and mature before returning to the ...

On Wednesday, U.S. District Court Judge Michael Simon ordered federal defendants to change Columbia Basin hydropower operations to protect endangered salmon and steelhead populations.

A federal judge this week granted a partial win to conservation groups after the Trump administration pulled out of a salmon ...