A trove of fossilized eggs reveals that the largest dinosaurs to walk Earth could reproduce far from ideal nesting areas.

Lonnie Bunch is stepping down from the leadership of the Smithsonian Institution following a tumultuous year in which President Donald Trump tried to remake the portrayal of U.S.

A natural history museum lets residents take home 1,400 specimens, from bobcats and beetles to snakes in jars ...

Lyson knew that one print in the Hell Creek was unlikely, but two together—a T. rex trackway? That was absolutely improbable.

There are plenty of objects and artifacts at the Smithsonian that are old. But at the National Zoo, there's not much older ...