Unlike other collectibles such as stamps, artworks and sports cards, coins have values that are at least partly based on ...

Over time, coins can become rare collectibles that are sold for thousands, if not millions, of dollars in the present day.

Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution ...

The fighter pilot turned art dealer sparked a decade-long treasure hunt after hiding $1m worth of gold and jewels ...

The idea of finding hidden treasure in a junk drawer, attic or basement has long lured people to auction houses and ...

Deep beneath farmland in western Bulgaria, construction workers digging a gas pipeline uncovered something extraordinary: the ...