The hunt starts with small sparkling pockets in chert and limestone, but the finds keep getting better. He spots druzy quartz ...

The town of Nathrop has fewer than 500 residents, but it’s home to a rock shop that could keep you occupied longer than some ...

Oklahoma has a way of hiding its best stories in plain sight. Sometimes, you just have to pick up the ground to find them. Across open plains, riverbeds, and rugged outcrops, the landscape quietly ...

Scientists have digitally reconstructed the face of a 1.5-million-year-old Homo erectus fossil from Ethiopia, uncovering an unexpectedly primitive appearance. While its braincase fits with classic ...

Scientists have created a global “treasure map” for rare earth elements by uncovering where the strange volcanic rocks that ...

A 2015 satellite photo shows a series of golden tendrils surrounding Ghana's Lake Bosumtwi, which is considered sacred to the ...

Scientists have identified a hidden deep-Earth pattern that may reveal where rare earth deposits form. The study links ...

More than 1,000 years ago, Panama elites were buried together with translucent green stones long suspected to be emeralds.