Each of the winning images in the BigPicture: Natural World Photography exhibition enshrines a fleeting moment on Earth that might otherwise escape our attention. Visit the exhibition at the Academy ...

All life on Earth is part of a complex web of connections within and across ecosystems. Humans are inhabitants of a global ecosystem; biological networks intersect with those built by humans. Earth's ...

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 ...

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 ...

In FY25, the Academy incurred a cash deficit of $7.3M. For the current fiscal year, the cash deficit is projected to exceed $8.0M. This is due in large part to the costs of maintaining our buildings ...

“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 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 ...

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 ...

“Most frog biologists do everything in the dark,” says Rayna Bell. This is more of a necessity than a preference, thanks to the nocturnal dispositions of the amphibians she studies. Whether she’s ...

When it comes to insects and flies, the old “beauty is in the eye of the beholder” adage is a good descriptor of how one-time art student Michelle Trautwein first fell for entomology. “I was just ...

Teacher Tip: For any of our videos, you can click the Settings cog in the YouTube footer to adjust the Quality to up to 1080HD, and you can also toggle on Full Screen. You can also select Closed ...