The U.S. Bureau of Reclamation should start planning to modify the Glen Canyon Dam, which plugs the Colorado to form Lake ...

Scientists and regulators are divided over the threat posed by rising levels of a chemical called TFA.

For years, scientists have struggled to solve the "plastic paradox"—the mystery of millions of tons of missing plastic.

Study finds six major U.S. dams face rising overtopping risk amid aging infrastructure and intensifying storms, threatening nearby towns and cities.

Republican U.S. Rep. Jim Jordan was among those questioned under oath this month after release of a new documentary about the ...

Millions of tons of plastic in the ocean aren't floating in plain sight—they're invisible. Scientists have now confirmed that ...

As Colorado River states race to finish a deal, water users face a resource altered by drought and climate change.

Why do some rivers split? UCSB scientists found the answer—and it could change how we restore and manage waterways.

It turns out that rivers choose their path based on erosion – a discovery that could transform flood planning and restoration ...