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 ...