Fossils of alvarezsaurid dinosaurs show bird-like air sacs in their bones. Scans revealed hollow spaces connected to their ...

The museum hopes that after learning about the planet’s prehistoric past, people will do more to preserve Earth’s future.

MANTUA, N.J. − Kenneth Lacovara's career in paleontology has taken him around the world: He's explored the Gobi Desert, led expeditions in Egypt and found massive dinosaur bones in Patagonia.