A Trump executive order directs agencies to 'to route more water' across the state. But some say there's a lot more at stake.

What does a 3-inch-long, nearly extinct fish native to California’s Sacramento-San Joaquin River Delta have to do with fighting California wildfires? Nothing, apart from a need for water. That hasn’t ...

Recent findings show bigmouth buffalo fish have perplexingly long lives and appear to get healthier as they age. But scientists are worried their population is about to crash. If you ever find ...

At just 12 mm long, Danionella cerebrum seems unassuming, a translucent fish that blends seamlessly into the waters it occupies. But don’t let its size fool you. This otherwise unremarkable fish ...