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 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 ...

We loved every inch of him. From snout to tail, no part of Claude escaped scrutiny from his adoring fans. Every move (or nap, as was more often the case) was cause for celebration. Even after 17 years ...

Learn about our charismatic African penguin colony from an Academy biologist. Daily, 10:30 a.m. and 3 p.m.

Our programs are open to all K-8 students wherever they are set up to engage in learning during the school day. Each webinar is a lesson taught by professional educators, which is broadcast for free ...

Fricke, R., Eschmeyer, W. N. & R. van der Laan (eds) 2025. ESCHMEYER'S CATALOG OF FISHES: GENERA, SPECIES, REFERENCES.(http://researcharchive.calacademy.org/research ...

Support Academy science while cultivating your curiosity all year long with unlimited museum admission, exclusive programming, discounted tickets, shopping, dining, and more. Memberships start at $99.

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

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

SAN FRANCISCO, CA (July 21, 2023) — In a major milestone for marine conservation, the Verde Island Passage (VIP) in the Philippines has been named a Hope Spot by international ocean conservation ...

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 ...