Deep inside a sealed 40-mile cave system, the team films everything — from blinding white crystal ceilings to ancient jaguar trackways left from the Ice Age. The footage shows endless crawls, ...

According to National Geographic, the map depicts distances between gates in the wall surrounding the Mesopotamian city of Nippur, but for decades experts questioned its accuracy. The locations of ...

In a Melbourne lab, a team of engineers may have triggered a pivotal shift in the global construction industry. Researchers ...