Some 1970s coins are worth hundreds—or even thousands—today. Find out which ones (that you may even have) are worth more than ...

You might have rare coins in your wallet and not even know.

Collectors hunting for valuable coins don't have to reach back a century or more to find them -- they can pop back a few decades to the era of disco music and leisure suits. Several U.S. coins ...

POÇOS DE CALDAS, Brazil—Western companies are pouring money into Brazil’s rare-earth industry, hoping the South American nation can help loosen China’s grip on the minerals used in electric vehicles, ...