Despite the intensity of modern exploration, the eastern Mediterranean continues to yield unexpected discoveries. On the ...
Huge‍‌‍‍‌‍‌‍‍‌ underground tunnels found across South America have raised scientific eyebrows as their size and configuration do not match any known human activity. These tunnels, carved in rocks and ...
More than 1,500 massive underground tunnels in Brazil have puzzled researchers for years. The claw marks on the walls point ...