Currently, the world's longest undersea section of a tunnel belongs to the Channel Tunnel, which has a 23.5-mile (37.9 kilometers) underwater section connecting England and France. Construction on the ...

The Boring Company is partnering with the state of Tennessee to develop a tunnel for drivers. The tunnel will span from ...

A tunnel that spans the shortest distance across the Atlantic — Gambia to Brazil, around 1,600 miles (2,575 kilometers) — would take around 500 years to make at the current speed of the tunnel ...

To ease driver fatigue, construction workers in China installed an LED ceiling on part of a 6.7-mile-long (10.8 kilometers) expressway tunnel under Taihu Lake. But could we ever make a tunnel ...