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, ...

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 ...

“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 ...

Says lead author Camilo Mora of the University of Hawaii and Dalhousie University in Halifax, Canada: “The question of how many species exist has intrigued scientists for centuries and the answer, ...

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 ...

SAN FRANCISCO, CA (May 5, 2025) — The 10th annual City Nature Challenge global bioblitz has concluded, yielding more than 3.3 million wildlife observations for another record-breaking year. Over the ...

McGuire and his Berkeley colleague, Robert Dudley, published a paper last week on the extreme evolution of hummingbirds. It’s an amazing tale that takes the small birds from one continent to another ...

SAN FRANCISCO, CA (February 26, 2024) – Love is in the water and hope is in the air for the critically endangered Sunflower star (Pycnopodia helianthoides) as a multi-institution collaborative team ...

SAN FRANCISCO, CA (August 15, 2022) — California now has two new scorpions on its list of species, thanks to the efforts of two keen-eyed high school students from the Bay Area and the California ...

SAN FRANCISCO, CA (February 25, 2025) — A new study of coyote movement patterns published today in Ecology Letters challenges previous research that suggests ecological landscape features—like the ...