We are open today from 9:30 am to 5 pm.

BE ADVISED: On Saturday, September 19, the Natural History Museum will close at 3 pm due to nearby events and road closures. For more information or to reschedule your visit, email info@nhm.org or call 213.763.DINO.

Science of SpongeBob: Plankton!

Bikini Bottom’s Bad Guy, the Ocean’s Tiny Hero

You might know Sheldon J. Plankton as the villain of Bikini Bottom, but did you know these real-life microorganisms are actually the heroes of our underwater ecosystems? Check out more from our scientists!