Last year, people in the U.S. made an estimated $4.7 billion selling their plasma. Donation centers are popping up in ...

Authorities are investigating after counterfeit $100 bills, containing a white powder, were found inside an Irvine grocery ...

You probably treat a $2 bill like a novelty, but certain notes can hold hidden value that outstrips their face amount. Keep a ...

A metal detectorist uncovered a rare 19th-century Japanese coin at an Australian Gold Rush campsite near Ballarat, calling ...

There are some rather valuable - and unique - dollar bills out there that are worth a fortune.

Talk about pocket change. Coin collecting might be a profitable hobby, but it takes a great deal of practice to recognize what’s rare and what isn’t. In fact, spotting a certain dime, known as the ...