Scientists with NASA’s Perseverance rover are exploring what they consider a veritable Martian cornucopia full of intriguing rocky outcrops on the rim of Jezero Crater. Studying rocks, boulders, and ...

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

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 ...

The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...