After years of debate, the International Chronostratigraphic Chart has officially been revised. What does that mean, exactly? Our current point in Earth's geological timeline has been updated so that ...

Introduction / F.M. Gradstein -- Chronostratigraphy : linking time and rock / F.M. Gradstein, J.G. Ogg and A.G. Smith -- Biostratigraphy : time scales from graphic ...

Last week, a panel of scientists voted in favor of classifying the age we are living in as a new geological epoch—the "Anthropocene"—after reviewing available evidence on the issue. Since it was first ...

An influential panel of scientists voted this week to designate a new geologic epoch—the Anthropocene—to mark the profound ways that humans have altered the planet. That decision, by the 34-member ...

Steve Petsch receives funding from National Science Foundation. Jurassic, Pleistocene, Precambrian. The named times in Earth’s history might inspire mental images of dinosaurs, trilobites or other ...