The Paleozoic era's Silurian period saw animals and plants finally emerge on land. But first there was a period of biological regrouping following the disastrous climax to the Ordovician.

part of the Paleozoic era, produced the most intense burst of evolution ever known. The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today.

Dec. 31—More than a decade after the last major exhibit opened at the New Mexico Museum of Natural History and Science in Albuquerque, a new display focused on the Paleozoic era is coming soon. Some ...