The breakthrough highlights the geological, climatic and engineering challenges of boring through one of the world's youngest ...

Work to begin digging a new Hudson Tunnel is set to begin this spring as two tunnel boring machines custom-built for the project are on their way to New Jersey. The new rail tunnel, called the Gateway ...

The men at Hawk’s Nest were hired to carve out a tunnel in a mountain. What they were really doing, though, was mining the same material that would help kill them. In the early 1930s, workers blasted ...