In nature, color is so much more than just décor.
Learn more about Claude, our American Alligator, and other fascinating inhabitants of the swamp.
Be mesmerized by sharks and rays, tropical fish, and waddling penguins. Our webcams stream 24 hours a day.
Our newest planetarium show explores asteroids, comets, and the hard-hitting stories of our cosmic origins.
Become a member and get two free months when you join or renew by June 30.
Join us for NightLife’s first foray into the wonderful world of wine.
Computer simulations, infographics, and hot tips—explore it all in this rich collection of earthquake resources.
New nudibranchs, sea urchins, corals, and fish in the most biologically diverse marine ecosystem on the planet.
San Francisco is a finalist to receive a $40 million grant to smarten its transit system.
Citizen scientists have discovered a roving Asian nudibranch in the San Francisco Bay.
Spotted garden eels spend the majority of their lives partially embedded in the sea floor.