BYRON, Calif. — Giant pumps hum inside a warehouse-like building, pushing water from the Sacramento-San Joaquin River Delta into the California Aqueduct, where it travels more than 400 miles south to ...

The mass die-offs, which can occur naturally, are becoming more common around the world—and scientists say humans are to blame. Here’s why, and how we can help prevent them. Dead fish float among ...

The commonwealth’s efforts raising and then releasing non-native fish into the state’s waters runs contrary to the biodiversity mandate announced last year by the Healey administration, according to a ...

FROM THE BANK, I pulled the knot tight on my dropper fly and looked out over the river, which sent a quick shiver of fear knifing through my excitement, like the feeling you have before you get on a ...