A global study of more than 21,000 river systems found that nearly 80 percent of the world's rivers are losing oxygen due to climate warming, agricultural runoff, and sewage pollution. Major US rivers ...

The world's most beautiful shark-free lagoon may be in the Cook Islands, but plenty of travelers may wonder how to avoid sharks while vacationing in the United States. Believe it or not, staying out ...

U.S. rivers are running hot. A new analysis of nearly 1,500 river locations over more than 40 years found that the frequency, intensity and duration of heat waves is increasing in streams across the ...

A Penn State-led research team found that rivers are experiencing heatwaves at higher frequency and intensity than air heatwaves, which could have serious implications for aquatic life — and the lives ...

Salt Creek in Death Valley, California. A new analysis reveals that rivers in arid landscapes are helping to soak up more carbon dioxide than previously thought. “Rivers are one of the most uncertain ...