For a small fish only found in the San Francisco Estuary, the delta smelt has caused a lot of controversy over the years.

It’s tiny, it’s silver and it’s at the center of a decades-long controversy over California’s water system. It’s the delta ...

"It really began reaching the coast Thursday night, and the rain is piling up." Groundhog Day results aside: Here's what ...

In an apparent poke at California politics, one of President Donald Trump's executive orders on Monday directed federal agencies “to route more water" from across the state instead of trying to ...