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

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 ...

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 ...

In the new paper, Molly Bletz, of the Technische Universitat Braunschweig in Germany, and her colleagues took data from several of those surveys, and others, from 2005 to 2014. Looking at 4,155 ...

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 ...

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 ...