Researchers used robotic diving vehicles to study gold coins on the seafloor by the wreck of the Spanish galleon San José.

Researchers have used an unmanned underwater vehicle to carry out a non-intrusive investigation of an 18th-century AD ...

The story of the first climbing of the Matterhorn is the focus of a Swiss Proof High Relief 1-ounce silver 5-franc coin ...

On the Isle of Man, a metal detectorist has discovered a squished fragment of a 11th-century Viking treasure: a piece of an ...