Researchers are tracking hummingbirds' remarkable evolution from millions of years ago to the future.

Academy membership cards are going digital! Learn more about downloading, using, and updating your digital card.

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 ...

SAN FRANCISCO, CA (December 3, 2024) — Submissions for the California Academy of Sciences’ 2025 BigPicture: Natural World Photography Competition will be accepted through March 1, 2025. In its 12th ...

SAN FRANCISCO, CA (October 15, 2024) — The California Academy of Sciences is pleased to announce that 14 new members will join the ranks of the Academy Fellows, a governing group of more than 500 ...

Maybe *do* hold your breath: Osher Rainforest’s famously fetid corpse flower has unfurled its very first bloom.

New program connects youth with the skills, resources, and community to tackle the planet’s climate crisis.

SAN FRANCISCO, CA (September 18, 2023) — The California Academy of Sciences is excited to reveal the age of beloved Australian lungfish Methuselah (Neoceratodus forsteri), the oldest living fish in an ...

SAN FRANCISCO, CA (August 22, 2023) — The beloved Steinhart Aquarium at the California Academy of Sciences will mark a major milestone—its 100th anniversary —on Friday, September 29, with a wide ...

SAN FRANCISCO, CA (July 12, 2023) — In a paper published today in Nature, researchers from the California Academy of Sciences, University of São Paulo, University of Oxford, University of Exeter, and ...

SAN FRANCISCO, CA (April 13, 2023)— The World’s Largest Dinosaurs, a major exhibition on view at the California Academy of Sciences from May 26, 2023 to January 21, 2024, explores the amazing biology ...

That is a new, estimated total number of species on Earth—the most precise calculation ever offered—with 6.5 million species found on land and 2.2 million dwelling in the ocean depths.