Pose for a picture with Theodore Roosevelt on the first floor.
At the Museum
2013 Museum Graduating Classes
IMAX and 3D
News & Blogs
There are more than 5,400 mammal species—and more than one-fifth of them are bats. In early 2012, Museum Curator Robert S. Voss discovered a new bat species in Peru.
Scientists have shown for the first time that deep-sea fishes that use bioluminescence for communication are diversifying into different species faster than other glowing fishes that use light for camouflage.