Join us on January 18 for a day of memories, music, and mementos honoring the life and legacy of Claude, San Francisco’s ...

The California Academy of Sciences is a science museum—and scientific and educational institution—located in San Francisco's Golden Gate Park.

Cal Academy opens at 9:30 a.m. Mon.–Sat. and 11 a.m. Sun. Learn about our charismatic African penguin colony from an Academy biologist. Daily, 10:30 a.m. and 3 p.m.

This is a recurring event. Check the daily calendar for more schedule information.

SAN FRANCISCO, CA (December 16, 2021) — In 2021, researchers at the California Academy of Sciences added 70 new plant and animal species to the tree of life, enriching our understanding of Earth’s ...

SAN FRANCISCO, CA (July 12, 2023) — In a paper published today in Nature, researchers from the California Academy of Sciences, University of São Paulo, University of Oxford, University of Exeter, and ...

In this new study, however, the researchers took a more detailed look at both adults and juveniles of the multicolored marvel, measuring and counting various features, such as the color of adult males ...

SAN FRANCISCO, CA (August 11, 2025) — The California Academy of Sciences is gearing up to celebrate one of our most iconic residents: Claude, the beloved albino alligator, who turns 30 on September 15 ...

SAN FRANCISCO, CA (December 2, 2025) — It is with a heavy heart that we share the news that Claude, our beloved albino alligator, has passed away at the age of 30. Claude was an iconic California ...

SAN FRANCISCO, CA (December 19, 2024) — Researchers at the California Academy of Sciences described 138 new animal, plant, and fungi species in 2024, enriching our understanding of Earth’s ...

SAN FRANCISCO, CA (June 26, 2025) — Researchers at the California Academy of Sciences and partners rediscovered a presumed-extinct black stony coral species in the Galápagos—its first sighting in 24 ...

“The Permian-Triassic extinction serves as a model for studying biodiversity loss on our planet today,” says Academy Curator of Geology Peter Roopnarine, PhD. “In this study, we determined that ...