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.

Please note: Morrison Planetarium will be closed for maintenance Sept. 15–18.

Prepare to cross over into the Twilight Zone, a newly refreshed exhibit in Steinhart Aquarium that unveils the dazzling marine life inhabiting mesophotic reefs 100 to 500 feet below the surface.

Please note: Morrison Planetarium will be closed for maintenance Sept. 15–18.

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.

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 ...

Our first wallpaper drop is 100% Claude in honor of his 30th hatchday, but more digital biodiversity is in the works. Stay tuned!

Help everyone stay healthy: It's not required, but we encourage all guests to stay up-to-date on their vaccinations and to mask up indoors. If you’re feeling sick or have been in close contact with ...

This is a recurring event. Check the daily calendar for more schedule information.