One of the first banners used by a coalition of tribes, environmentalists and other allies in a 20-year struggle to remove four dams from the Klamath River along the California-Oregon state line was ...

Less than a month after four towering dams on the Klamath River were demolished, hundreds of salmon made it into waters they ...

Siebert and his team have been researching how the dynamics of the groundwater system in this region are changing and how ...

These chimneys resemble hydrothermal chimneys discovered in oceanic ridges, but "the system is completely different," ...

I knew the ice had been frozen at least that long. My concern focused on a narrow extended dip in the ice that meandered ...