Intricately carved stone balls of unknown purpose, which date to the third millennium B.C. and have been discovered throughout the British Isles—though most frequently in northeast Scotland—continue ...

TEL AVIV, ISRAEL—According to a Haaretz report, an international team of researchers led by Ella Assaf of Tel Aviv University suggests that stone spheres unearthed in central Israel’s Qesem Cave were ...

Specialists from Costa Rica and Mexico are restoring three pre-Columbian stone spheres, rare examples carved from limestone, at the Finca 6 Museum Site in Palmar de Osa in southern Costa Rica. The ...

Gemstones are one of nature's most beautiful mysteries. Each stone has a unique story, from the Diamond, which is often older than the stars, to the Peridot, which has been found in stardust from ...