Kathryn Jones is on a mission to read every plaque in every D.C.-area Smithsonian. While she didn’t start the project for posterity, proposed cuts to the institution give her experiment extra weight.

A page from the Brief Guide to the Smithsonian Institution shows the first floor plan of the Smithsonian Building ("the Castle") with the location of various exhibits and the basement, first floor, ...

Category Chronology of Smithsonian History Notes Image is of the Laboratory of Natural History in the East Wing of the Castle, c. 1856, Smithsonian Institution Archives, negative number 2005-10437.

When Air and Space opened in 1976, Neil Armstrong’s first small step was fresh in our memories. With the nation’s 250th ...

Enigmacursor mollyborthwickae, a species of dinosaur new to science, has joined the residents of London’s Natural History museum. The dinosaur would have roamed North America in the Late Jurassic, 145 ...

The Sam Noble Oklahoma Museum of Natural History is recognizing a celebrity found by researchers from the museum, Aquilops ...

Hours The museum is open Tuesday to Sunday from 10 a.m. to 5:30 p.m. and Monday from noon to 5:30 p.m.; the museum is closed Christmas Day. Tickets You'll need to obtain a free timed-entry pass.

Hours The Portrait Gallery and the Smithsonian American Art Museum are both open from 11:30 a.m. to 7 p.m. and admission to both is always free.

Independence National Historical Park hosts some of the nation’s preeminent places of history. But what was the area like ...