On the shores of the Baltic Sea, in the south of Denmark, a vast engineering marvel is taking shape — piece by giant concrete piece — that, when finished, will drastically redraw the road and rail ...

The 76-mile Bohai Strait Tunnel will cost over $30 billion and take up to 15 years to build, with 56 miles running underwater between Dalian and Yantai.

(CNN) — Descending up to 40 meters beneath the Baltic Sea, the world’s longest immersed tunnel will link Denmark and Germany, slashing journey times between the two countries when it opens in 2029.

The world's longest tunnel that will slash a six-hour journey to just 40 minutes and cost more than £20billion to build has been given the green light. The Bohai Strait Tunnel, in China, will feature ...

Elon Musk has hinted at yet another game-changing innovation—this time, it’s a revolutionary underground tunnel linking London to New York. Discussions about a project related to a transatlantic ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

At 18 kilometers (11.2 miles), it’s nowhere near as long as the 50-kilometer (31-mile) Channel Tunnel, but in many other ways it’s bigger. The project will, in fact, be the world’s longest road and ...