In China, coins with a square hole in the middle hold a special meaning—the square in the center represents the Earth, and the circle the heavens around it. These coins are arranged in different ...

The discovery of a puzzling 340-year-old coin etched with traditional Chinese characters in Canada's Yukon territory suggests that the area was already aflurry with trading even before the Gold Rush.

The coin, a small disk of copper and silver with a square hole in the center so it could be worn on a belt, is called "Yongle Tongbao" and was issued by Emperor Yongle who reigned from 1403-1425AD ...

The copper and silver disk has a square hole in the center, possibly to be worn on a belt. Kusimba told LiveScience it was found on the first day of excavations at Manda, an island that hugs Kenya ...

Archaeologists found the coins "hidden in a hole in the wall" while performing restoration work on the Acropolis of Santa Teresa and San Marco, a historic landmark on the island of Pantelleria off ...

The new 50-pence (66 cents) coin features Hawking's name spread over a field of concentric, circular lines representing a black hole. Cleverly, the surface of the coin appears to indent inward at ...