Pharmaceutical pollution in waterways is changing animal behavior. Exposure to an antianxiety drug is affecting migrating Atlantic salmon, according to a new study.

A group of several dozen Indigenous youth from across the Klamath Basin recently emerged victorious after a month-long ...

For the first time in more than a century, salmon are swimming freely along the Klamath River and its tributaries near the California-Oregon line ...

Wild salmon are swimming quicker due to painkillers and other drugs dumped in rivers and the sea, reveals new research.

The journey of salmon swimming miles upstream to lay their eggs is nothing short of a natural marvel. This epic journey, often fraught with obstacles, has intrigued scientists, nature enthusiasts ...

"Standing on the shoulders of decades of work by our Tribal partners." Salmon swim freely in river for the first time in 100 years after dam removal project: 'I am incredibly humbled to witness ...

The timeless genius of a 1980s Atari developer and his swimming salmon masterpiece Doctors said he'd die by 13, but Bill Williams turned long odds into iconic art about endurance.

Fall-run Chinook salmon—which swim upstream in the fall—are less affected by the dams than their spring-run cousins, because temperatures are typically cooler when they return to freshwater.

First observed in the 1980s, the fad of orcas swimming around with dead salmon on their foreheads off Washington State seemed to have faded—until now.

HORNBROOK, Calif. — For the first time in more than a century, salmon are swimming freely along the Klamath River and its tributaries — a major watershed near the California-Oregon border ...

HORNBROOK, Calif. (AP) — For the first time in more than a century, salmon are swimming freely along the Klamath River and its tributaries — a major watershed near the California-Oregon border ...