Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A big, round, 4,000 ...
Caitlin O'Kane is a New York City journalist who works on the CBS News social media team as a senior manager of content and production. She writes about a variety of topics and produces "The Uplift," ...
Artisans around the world are ditching the mortar and embracing an old method of building rock walls Clachtoll Broch, a Scottish dwelling with dry stone walls, was built at least 2,000 years ago. Its ...
A wind whips up dust on the desolate landscape of Harrat Uwayrid, the volcanic plateau that rises above the sandstone valleys of AlUla in Saudi Arabia. Across the flat plain, shades of gray-brown soil ...
Road construction in Limoges uncovered a ventilation shaft and underground tunnels built by the ancient Romans as an aqueduct. Photo from F. Devevey and Inrap During construction work in a city of ...
Over 500 ancient stone monuments dot the rolling hills of southwestern Spain. La Torre-La Janera stretches across 220 acres in Huelva province. Prehistoric humans built this sacred landscape starting ...
A controversy has erupted in Northern France after dozens of ancient standing stones were destroyed to make way for a hardware superstore. Roughly 39 stones, dating back at least 7,000 years were ...
A man from Germany stumbled upon what appears to be an ancient Christian relic in August while doing a home construction project. A 3-foot-long stone tablet from the 12th century, believed to depict a ...