Somewhere in the frozen plains of southwestern Russia, a 40-foot circle of mammoth bones and tusks has stood for over 24,000 ...
China has quietly confirmed that a vast circular scar in its northeast is not a volcanic basin or a quirk of erosion, but a ...
BERLIN – Two mysterious stone rings found deep inside a French cave were probably built by Neanderthals about 176,500 years ago, proving that the ancient cousins of humans were capable of more complex ...
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 ...
These buildings at the site of Göbekli Tepe in southeastern Turkey are more than 11,000 years old, making them some of the world’s earliest monumental structures. The settlement includes circular ...