In the early decades of the 19th century, London was facing a major problem. The city had become the world's busiest port, but in order to transport goods from the docks to the heavily-populated ...

The first four tunnel boring machines are coming to New Jersey to build the Gateway rail tunnel. Here's what they do and why they're the safest method.

A colossal project to reduce traffic in the underground tunnels connecting the Virginia cities of Norfolk and Hampton just had a big breakthrough — literally. Since 1957, the two cities have been ...