For this reading guide, we're just looking at the sections of the chapters about rocks. The topic guide on Paleozoic Life picks up the sections of the chapters on critters. The topic guide organizes ...

Exhibit curator Matt Celeskey calls the coming Ancient Life exhibit featuring 600 fossils "3,000 square feet of cool." ...

3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the vast seas and the first primitive plants began to appear on land—before the ...