Beneath the stone-paved streets of Cusco, a city layered with centuries of Andean and colonial history, researchers have ...

Leonardo da Vinci excelled in the fields of art and science, but the Italian polymath was also a highly skilled expert in military structures and defensive systems, breaking new ground in the strategy ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Leonardo da Vinci ...

In a landmark 2023 study, Northwestern Engineering’s Alessandro Rotta Loria demonstrated for the first time how the ground under cities is warming and deforming due to subsurface urban heat islands ...

Deep beneath the Dutch city lie vast subterranean spaces that have served as art canvases, air raid shelters and a strategic command center. By A.J. Goldmann Reporting from Maastricht, the Netherlands ...

A research team’s astonishing claims that they discovered massive underground structures extending hundreds of feet deep beneath Egypt’s Khafre Pyramid sound like science fiction to experts. Scottish ...

Researchers may have discovered the world's biggest spider web, a massive subterranean structure spanning over 100 square meters in a sulfur cave on the Albania–Greece border. The multilayered web ...

The discovery of more than 100 prehistoric structures in the Cova Dones cave in Spain makes it one of the most significant prehistoric underground sites in the world. Archaeologists found stalagmites ...