"These hydrologic oddities illustrate how much we have still to learn about Earth's dynamic surface," researchers said in a ...

The Colorado River Delta, previously dried up and barren, has come back to life thanks to conservation efforts.

PG&E's plan to remove the Potter Valley Project has sparked a fierce debate, as leaders warn of drought, wildfires and ...

In a wide-ranging ruling that could have larger implications for public interest lawsuits throughout California, the 5th ...

Rivers start in mountains, join other streams as they flow downhill, then channel into an open ocean or lake. Right? Well, ...