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

SAN FRANCISCO, CA (December 16, 2025) — Researchers at the California Academy of Sciences recently traveled to Guam to retrieve valuable data collected over nearly a decade in deep coral reefs (>330 ...

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.

We lost our dear Claude a week ago, and there are still no words. Luckily, there are plenty of pictures. Enjoy.

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 (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 (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 ...

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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 ...

Says lead author Camilo Mora of the University of Hawaii and Dalhousie University in Halifax, Canada: “The question of how many species exist has intrigued scientists for centuries and the answer, ...

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 ...