Analysis of recently discovered zircon crystals reveals a sharp change in Earth’s geochemistry around 3.8 billion years ago. Researchers studying the ancient crystals say the likely explanation is the ...

China’s Zhurong rover may have driven across one of the most intriguing repositories of ancient Martian water yet discovered: large gypsum crystals that could contain microscopic pockets of brine ...

Explore rockhounding areas across South Carolina’s Upstate, from a fee-dig crystal mine to scenic mountain geology, ...

August 17, 2026. More for You ...