The destruction of tropical rainforests — seen in shocking images of huge wildfires, vast clearcuts, and dying ...

The Hirshhorn, the Asian Art and African Art museums, and the National Museum of the American Indian had to close on Sunday.

Four Smithsonian museums on the National Mall remained closed Tuesday as crews worked to resolve heating, ventilation and air conditioning issues linked to a power failure over the weekend.

Bird flu was nearly everywhere in the U.S.—in chickens, cows, pet cats and even humans. Cases have gone down, but experts ...

A person in Arizona recently died of pneumonic plague—a rare and severe form of the disease. An expert explains how the ...

Tucked away in the unassuming city of Alliance, Ohio sits a temple of feline fascination that would make ancient Egyptians purr with approval. The Feline Historical Museum is possibly the most ...

Shutterstock Yosemite Valley The Mariposa Battalion was a group of 200 men formed in February 1851. California created this militia to remove Native Americans from the Sierra Nevada foothills. James ...