Scientists have now estimated the number of species on Earth. Hint: It's somewhere between the numbers of 3 and 100 million ...

Cal Academy opens at 9:30 a.m. Mon.–Sat. and 11 a.m. Sun. 10 a.m. Enjoy tea and a “performance” where a living plant’s electrical rhythms transform into music. Daily, 10 a.m. 10:15 a.m. Learn about ...

“For a while it was uncertain whether or not lionfish would extend into the South Atlantic,” says Academy Curator of Ichthyology and study co-author Luiz Rocha. “Now that we know they are here, it is ...

Dónde la música y la memoria se encuentran. Join us for our fourth annual Día de los Muertos celebration, una noche en Michoacán, honoring tradition through art, music, and community. Gather with us ...

Mandarin dragonets live in the western Pacific Ocean, from Hong Kong down to Australia. (Laos and the Federated States of Micronesia have both paid them tribute on postage stamps.) The species has not ...

Learn about the Axolotl and its importance to culture and nature. Connect with these amazing animals and beyond through this hands-on watercolor workshop with 2027 Osher Fellow Josué Rojas . Learn ...

SAN FRANCISCO, CA (December 2, 2025) — It is with a heavy heart that we share the news that Claude, our beloved albino alligator, has passed away at the age of 30. Claude was an iconic California ...

Note: See previous post on December 9 In my prior post, I talked about how sea slugs sense their environments using rhinophores (horn-like appendages on their heads). In this post, I will describe how ...

SAN FRANCISCO, CA (March 8, 2022) — Though there are hundreds of species of fish found off the coast of the Maldives, a mesmerizing new addition is the first-ever to be formally described—the ...

Vivid is a first-of-its-kind sensory experience at the Academy, rendering six unique ecosystems in larger-than-life detail through ultra high-resolution video projections, ambient soundscapes, and ...

Imagine trying to find your adorable seal pup among hundreds of seals on land. You can recognize your pup by smell, but to do so requires you get within 15 centimeters of it. Your eyesight is terrible ...

Started in 2016 by the California Academy of Sciences and the Natural History Museum of Los Angeles County as a friendly competition between San Francisco and Los Angeles metro areas, the Challenge ...