San Francisco Bay’s only marine laboratory, an important site of climate change research, will close due to lack of funding, ...

San Francisco State University is preparing to close its Estuary and Ocean Science Center, citing financial challenges.

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

Several environmental groups sued the Interior Department Monday alleging the agency dragged its feet in determining whether a fish in the San Francisco Bay should be classified as endangered under ...

Two people were rescued from the Bay Saturday evening after reports that a swimmer was in distress, firefighters said.

Longfin smelt were once one of the most abundant fishes in the San Francisco Bay estuary, which includes the Sacramento-San Joaquin River Delta. They’re a key part of the food web, acting as a prey ...

Longfin smelt were once one of the most abundant fishes in the San Francisco Bay estuary, but populations have declined more than 99% from 1980s levels. Annual state surveys show that longfin smelt in ...

San Francisco Bay is a designated “estuary of national significance” under the federal Clean Water Act. The bay and its tributary streams, situated in an urban area with more than 7 million ...

An atmospheric river brought additional rain, strong winds, and flooding to the Bay Area Tuesday, with an increasing chance ...

The San Francisco Regional Office of the Environmental Protection Agency announced on Mar. 12 that it will provide $43.5 million to projects in 2024 that protect and restore the San Francisco Bay ...

According to the National Weather Service, San Francisco will experience a mix of wet and dry conditions over the next seven ...