What would happen if the U.S. Treasury issued a coin in the exact amount of the current federal debt and paid it off? Treasury Secretary Janet Yellen has warned that the U.S. could default as soon as ...

Two similar, but very different, coins that may feature the likeness of President Donald Trump are getting closer to reality amid swirling controversy. One would be a huge, gold collector's item. The ...

Scientists recently analyzed a Peruvian 10-cent piece with an unexplained origin. By Katherine Kornei A decade ago, a funny money mystery fell into the hands of scientists and students at the ...