A proposed tunnel under the Persian Gulf could set a new world record, being five times the size of the Channel Tunnel. The ...

Driving into an underwater tunnel can catch you off guard. One moment you’re in open daylight, and then the road dips and you ...

Workers in China have set a new record by completing the task of building the world's largest-diameter underwater shield tunnel. The two mile section of the underwater shield segments is completed, as ...

Spain has begun investigating the possibility of connecting Europe to Africa via an underwater tunnel to Morocco. On Saturday, the Spanish government allocated €1.6 million (roughly $1.7 million) to a ...

It sounds impossible. Truly, a transatlantic train from New York to London sounds too good to be true. At the same time, this age-old idea to build an underwater tunnel would literally alter ...