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 ...

President Donald Trump issued an executive order to allow federal agencies to override state policies to maximize water amid ...

Following President Trump’s recent criticism of the delta smelt — a fish he has tied to the lack of water for fighting the Los Angeles fires  — his administration is planning to cut funding for a ...

On Thursday, the Aquarium of the Pacific released its first Marine Species Report Card, detailing the population trends of 30 ...

Hundreds of endangered fish were evacuated from Topanga Creek after the devastating Palisades Fire ripped through the area.

California is investing $15 million to offset climate change threats to salmon and steelhead trout in river and stream ...

While scientists were able to save and move some creatures in the aftermath, researchers are worried about the prospects for ...

Trump said that protections for a tiny endangered fish species called the delta smelt are impeding firefighters' abilities to battle the blaze because of water diversion, but that claim is false.

The Western population of the monarch butterfly has declined to a near-record low with fewer than 10,000 found living in ...