“The Forest Of The Monarchs,” a photo of the Monarch Butterfly Biosphere Reserve in Michoacán, Mexico, taken by National Geographic Explorer Jaime Rojo won the 2024 BigPicture Grand Prize.

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 ...

The Academy is open for members only every Tuesday from 8:30-9:30 am and Sunday from 10-11 am. 9:30 a.m. Cal Academy opens at 9:30 a.m. Mon.–Sat. and 11 a.m. Sun. 10:15 a.m. Learn about animals' ...

Planet home “In Habitat Earth," says Ryan Wyatt, Director of Morrison Planetarium, "we’re advancing the boundaries of traditional planetarium content, which focuses primarily on astronomy and space." ...

Become a marine biologist for the day and explore the depths of our aquarium to find and identify a variety of marine species. This package includes: Recommended for ages 4 and up. $629 members, $699 ...

The Academy sent its first team of “sailor-scientists” to the Galápagos in 1905. Among them were collectors Alban Stewart, Rollo Beck, Edward W Gifford, FX Williams, Joseph Hunter, Joseph Slevin, and ...

Sea slugs are spectacular tidepool treasures—and we need your help finding them! This May, share your sea slug observations during the Sea Slug Search to help fill data gaps and deepen our ...

Aug. 23–28, 2026 Hike, bike, kayak, raft, and cruise through the untamed coastal landscapes of Alaska. Dec. 5–12, 2026 Venture to rarely visited dives sites and observe frontline conservation on the ...

Although careful, meticulous observation is often underrated, Rich Mooi has built a career on his attention to detail. For more than 30 years, Mooi has been steadily filling in and building onto the ...

Brian Fisher, the California Academy of Science's renowned entomologist, reveals there are 22,000 species of ants populating the earth. “Our ability to dig deeper into their hidden world can shed ...

Morrison Planetarium is the largest all-digital dome in the world. With a state-of-the art projector, visitors have an unparalleled view of the universe.

The Genera are updated from Eschmeyer's 1990 Genera of Recent Fishes. Both genera and species are listed in a classification using recent taxonomic schemes. Also included are a lengthy list of museum ...