India's Chandrayaan-1 has found tunnels below the surface of the Moon that could one day be a home to humans.
An elaborate network of underground tunnels found in a disused quarry on the Greek island of Crete is now thought to be ...
A hole found on the moon is thought to potentially lead down to a vast underground tunnel system. Carved by lava, tunnel...
British explorer Andrew Collins has claimed to have discovered an extensive series of chambers and tunnels underneath th...
Physicist Ronald Mallett has devised what he believes to be a method for travelling through time by opening a "time tunn...
A new worldwide study is documenting thousands of cases of near death experiences, revealing the frequency of cases in w...
A vast underground canal system built by the ancient Romans has been found that runs through over 100 kilometers of ston...