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.

Claude turns 30 on September 15! Celebrate with us all month long. Unlike a human or your pet dog or cat, Claude, the Academy’s unofficial mascot, doesn’t have to get a doctor’s checkup once a year.

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 ...

SAN FRANCISCO, CA (June 26, 2025) — Researchers at the California Academy of Sciences and partners rediscovered a presumed-extinct black stony coral species in the Galápagos—its first sighting in 24 ...

A drawing of a Steller's sea cow, an extinct marine megaherbivore. (Biodiversity Heritage Library, CC BY 2.0, via Wikimedia Commons) If you are a journalist and would like to receive Academy press ...

Academy membership cards have gone digital. Learn more about downloading, using, and updating your card, and view answers to frequently asked questions below.

SAN FRANCISCO, CA (March 17, 2025) —More than 70 percent of the Earth’s surface is covered by oceans, and beneath the surface lies a hidden world. In Unseen Oceans, a new exhibition on view at the ...

SAN FRANCISCO, CA (February 20, 2025) — This spring, walk among prehistoric giants as 13 life-size animatronic dinosaurs take over both of the California Academy of Sciences’ outdoor gardens in our ...

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 ...

“The Forest Of The Monarchs,” a photo of the Monarch Butterfly Biosphere Reserve in Michoacán, Mexico, taken by National Geographic Explorer Jaime Rojo won the 2024 BigPicture Grand Prize.

California Academy of Sciences welcomes new Academy Fellows. (© 2008 Tim Griffith) ...