The villagers in Wollo, Ethiopia, made the discovery almost 9,800 feet above sea level. Their tunnels follow a single opal ...

Villagers in Ethiopia uncover rare black opal nearly 10,000 ft high, reshaping the global gem market with vibrant stones.

Sirens and bullhorns blared before sunrise, stirring people sleeping in tents and cabins nestled into the lush forest of Silver Falls State Park. By the time the sun rose through smoke-filled skies ...