Record numbers of nearly 1,000 adult steelhead returned to the Pelton Round Butte hydropower project on the Deschutes River ...

Steelhead are enigmas, as mysterious as the tea-colored spring run-off they hide in. Like all anadromous fish, they come and ...

A team of explorers rappelled into the shaft-like cave and found a “pinkish” animal living in a cold river of the “deep dark zone.” Take a look.

Almost everywhere in California, salmon are on the decline. But in Putah Creek — a restored stream running through the ...