The past is right beneath our feet, and a field trip planned for the Tri-Cities area aims to bring that home, according to an ...

Tickets have gone on sale for spring and early summer tours of the McBones Coyote Canyon Mammoth Site, where the bones of an ...

Angela Fitzgerald explores Interstate Park's Ice Age geology and 125-year history. Shaped by Ice Age glaciers, Interstate Park is Wisconsin's oldest state park. Angela speaks with property supervisor ...

Hike north on the Appalachian Trail and the scenery slowly transforms. Rugged, steep ridgelines in Tennessee and Virginia ...

MINNEAPOLIS / ST. PAUL–The widely accepted theory that changes in Earth’s orbit drive cycles of glaciation can’t account for an early thawing of glaciers from the next-to-last ice age, according to ...

Geologists have developed many theories to account for the ebb and flow of glaciers in Europe and North America. Some blame external causes, such as interstellar dust or changes in the earth’s ...

A team of scientists thinks the planet may have been thrust into its longest ice age because less gas leaked out of volcanoes. By Katrina Miller Around 717 million years ago, Earth’s humid landscapes ...