The first women to join San Francisco’s swimming clubs in 1976 said they struggled against discrimination but found empowerment and community in the water.

A slow-moving wave driven by El Niño is creeping up the coast of North America and should hit California within weeks.

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A rare convergence of a powerful El Niño, super king tides and sea level rise spurred by climate change could menace California with record coastal flooding this winter.

"They want to interact, and I think people feel that. It's pretty joyous."

Tides will be high starting Thursday night and lasting into Wednesday, a result of the warm water in the Pacific associated with El Niño.

A simple and spectacular business page

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After an unusually long stay among his smaller California sea lion brethren on the floating docks by Pier 39, which ended up making national news, Chonkers the enormous Stellar sea lion seems to have…

Not a race. Not a fundraiser. Just fun. Each team has a swimmer in the water for 24 hours from 9 a.m. Saturday to 9 a.m. Sunday during winter in San Francisco’s Aquatic Park. Make your own team or ask...

San Francisco recorded its coldest fall day since 2019 as a temperature inversion kept the city chilly — and left the Sierra unusually warm.

Triathlon Today: Your News, Our Passion. Fastest and most accurate independent news outlet for triathlon news, duathlon news and multisport news, offering a great mix of race reports of triathlon even...

Staying up all night to support a friend’s 25-mile swim in San Francisco Bay

Sam Shoemaker’s record-setting voyage shows the promise – and limits – of fungi as a plastic alternative

A very large great white shark was seen swimming beneath the Malibu pier, just a few hundred feet, from the crowded lineup.

Nikolas Tomasevic, 35, never returned from a swim near the Aquatic Park. His body was recovered Tuesday morning.

Fall migration is in full swing, and our beaches are already supporting migrants. Here's how to tell your sandpipers from your dunlins.

President Donald Trump’s idea to reopen Alcatraz prison is ridiculous for many reasons, but high among them: It’s a tremendously successful tourist destination, Peter Hartlaub writes.

Twenty-four whales have died in the Bay this year, many from ship strikes. Environmental groups are preparing to sue federal agencies to protect them.

An epic 60-mile swim in Tahoe was training for a much, much bigger goal.

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Commercial fishing has reached such a level in the past that there is a real threat of extinction of several species of marine mammals, such as whales and dolphins. For the first time, restrictive quo...