Some of the pennies lying around your house could far exceed their face value of one cent. Let's take a deeper dive into the ...

Discover the history and people featured on U.S. coins, their denominations, and values in this clear, informative guide to ...

The transition to a low-carbon economy depends on minerals critical to the optimal functioning of clean technologies, and ...

The numismatic museum in Athens is in archaeologist Heinrich Schliemann’s old Ernst Ziller–designed house. Inside the ornate ...