The depths, longevity, and potential to generate silicic compositions of magma chambers are linked to crustal temperature, which varies across Mars and over its geological history.

The Yellowstone region's Beartooth Mountains feature some of the most ancient rocks in North America — as old as 3.96 billion ...

Yellowstone volcanism has produced some of the youngest rocks in North America. This same region also features some of the ...

Hidden among the rolling hills of southeastern Missouri lies a geological wonderland where massive pink granite boulders ...

Taum Sauk Mountain State Park, home to Missouri’s highest point and its tallest waterfall, lies just a short drive away. Together, these parks showcase the surprisingly diverse and dramatic geology of ...

X” really does mark a spot in Sybille Canyon along Wyoming Highway 34, but it doesn’t mark the site of buried treasure. It’s ...