This is only the second time the species has been recorded while alive. “I thought it was A.I.,” says fish biologist Kory Evans.

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

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 ...