Gold is one of the oldest forms of money; gold coins were first used in the Kingdom of Lydia (now part of Turkey) in about 550 B.C. Gold has also long been used as a store of value as well as an ...

Scientists have discovered exactly how earthquakes trigger quartz into forming large gold nuggets — finally solving a mystery that's puzzled researchers for decades. "Gold forms in quartz all the time ...

Understanding how gold forms is crucial for knowing where to find it and how to extract it sustainably. McGill researchers have answered a long-standing question in geology that could lead to new ore ...