The Mona Lisa The world’s most famous painting with a secret message was stolen from the Louvre over a century ago. The criminal, Vincenzo Perugia, was a handyman working at the museum, and he had two ...

Painite, Gold Sheen Sapphire, Red Beryl, and Musgravite. Learn why collectors value these scarce, unique stones above all ...

Off the western coast of the United Kingdom, conservationists attached some bait to an underwater camera, dropped the contraption to the seabed and waited. When they eventually watched the footage, it ...

In late August, high in South Africa’s Jonkershoek Mountains, a small group of botanists picked their way across steep ground in search of one of the world’s rarest plants. They were surveying Penaea ...

The move is Beijing’s latest attempt to tighten control over global production of the metals, which are essential to the ...