I grew up visiting the American Museum of Natural History regularly, and a recent visit convinced me that it's still the best ...

Males disperse to set up new territories or reclaim ... while in the company of their young. The grizzly bear has one of the slowest reproductive rates of all North American mammals. LIFE CYCLE: ...

Cullman Hall of the Universe and the Butterfly Conservatory (accessible November through May), which houses nearly 500 butterflies. The American Museum of Natural History is open daily from 10 a.m ...