From utilitarian arrowheads to beautiful stone effigy pipes to ornately-carved shell disks, the photographs and drawings in Sun Circles and Human Hands present

Since about 1985, crop circles have become a more well-known phenomenon. In the meantime, about 10,000 crop circles have appeared in more than 50 countries. How

The earliest known record of crop circles is more than 300 years old. Today, more than 10,000 have been recorded around the world. Learn more in Investigating C

Read Along or Enhanced eBook: Each Origins: Urban Legends: Close Encounters eShort is a single chapter from the full Origins: Urban Legends: Close Encounters ti

The mystery of crop circles has puzzled people for years. What causes them to appear so suddenly? Could crop circles be messages from outer space? Can we get to