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 1, 2025) — Submissions for the California Academy of Sciences ' 2026 BigPicture: Natural World Photography Competition are now open, and will be accepted through March 1, ...

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Santa Claude is comin’ to town! 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 ...

Focus: Food, water, and energy systems; ocean health; human impacts on Earth's systems (ESS3.C); engineering solutions (ETS1.A-C) Flipside Science features media-rich units perfect for educators ...

Claude officially turns 30 on September 15, but in typical millennial fashion, he insists on being celebrated the entire month. Experience peak Claudemania at the following events (and on billboards ...

“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 ...

SAN FRANCISCO, CA (September 7, 2023) — Today the California Academy of Sciences and partners across the City are thrilled to announce the new Reimagining San Francisco urban nature alliance, which ...

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