A layer of rock just 520 million years old sat directly on top of ancient rock dating back 1.4 to 1.8 billion years.

Click to open image viewer. View from Above of River in Canyon; Non-Native Man on Edge Of Canyon Wall CC0 Usage Conditions ApplyClick for more information. IIIF provides researchers rich metadata and ...

North America is dripping—with sizable blobs of rock sinking from the underside of the continent, beneath the U.S. Midwest, into the Earth's mantle below. This is the conclusion of researchers from ...

G eology and politics aren’t obvious bedfellows, but nearly every presidential election in recent memory carries a reminder of North America’s Mesozoic past. Take a look at a map of voting by county, ...

Alamosaurus is the largest known land-dwelling animal to have lived in North America. (Courtesy Photo) Students from the Sul Ross State University Geology program visited Big Bend National Park in ...

Beneath the quiet plains and bustling cities of the U.S. and Canada, an ancient process is slowly playing out. According to a new study published in Nature Geoscience, pieces of North America's oldest ...

Mount Denali, North America's highest mountain, is a beautiful sight. While beautiful, though, scientists have long wondered exactly how this mountain came to be. Now, new research has finally ...

This article is part of a package in collaboration with Forbes on time capsules, preserving information and communicating with the future. Read more from the report. Stuff is old where I live, in ...