A mammoth bone structure discovered at a Russian dig site called Kostenski 11 has been radiocarbon-dated and found to be more than 20,000 years old -- potentially classifying it as the oldest circular ...

A surprisingly large pit structure has been discovered around Durrington Walls Henge, which is less than 2 miles away from Stonehenge. Dated at 4,500 years old, it’s the biggest prehistoric structure ...

Massive mammoth bone structure discovered in Russia has researchers searching for its purpose. The circular structure dates back 25,000 years, and scientists found evidence of wood being burned inside ...

A curious circular structure and a ball court, both from the pre-Hispanic period, have been identified at a newly documented archaeological site in Mexico. The circular structure and surrounding ...

Along a chilly and empty plateau of Bolivia, hundreds of ring-like structures dot the hilltops. The structures — formed by concentric circles and visible by satellite — follow a fairly consistent ...

Archaeologists in Denmark have uncovered the “Danish Stonehenge” in what has been called a “once in a lifetime find”. The discovery of a circular formation of wooden piles date back to around 2,000 BC ...

You have probably admired more than once the almost perfect beauty of spider webs. Do you know why they have a circular structure? There are several reasons for this. Today, scientists recognize about ...