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

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 ...

A returning favorite from the original Steinhart Aquarium, the Swamp is best known as the home of Claude, the startlingly white Alligator mississippiensis that's become one of the Academy's ...

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Whether you’re hunting for the perfect gift for loved ones or just want to treat yourself, sip on a cocktail and shop your heart away at our merry marketplace. Support small businesses and find one-of ...

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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 ...

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SAN FRANCISCO, CA (February 18, 2025) — Academy researchers and partners made the first discovery of both a new genus and species of plant in a U.S. national park in nearly 50 years. The ...

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 ...