Much of our understanding of Earth's past is derived from stratigraphic records exposed in rock outcrops or recovered from drilled cores. These records span immense time intervals, from thousands to ...
Above: The Riverbend Resort and RV park was swallowed by floodwaters in Guerneville, Calif., on January 9, 2017, as a massive storm dumped rain and snow over a huge portion of Northern California. The ...