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 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 ...

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Learn about our charismatic African penguin colony from an Academy biologist. Daily, 10:30 a.m. and 3 p.m. Watch as a diver plunges into one of the world's deepest living coral reef tanks. Daily, ...

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 ...

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Nearly a decade of data collected from dives to 300+ ft. help inform global conservation efforts for deep reefs.

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

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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 ...

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 (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 ...