Military officials estimate North Korea has a network of thousands of tunnels beneath Pyongyang and key strategic locations.

On the shores of the Baltic Sea, in the south of Denmark, a massive engineering marvel is taking shape — piece by giant ...

Toronto Blue Jays right-hander Erik Swanson received relatively good news when an MRI earlier this week on his pitching elbow ...

"Tunnel Girl" in Herndon, Virginia, "finally" got her tunnel project approved after pausing the project due to a potential ...

Dozens of MBTA passengers were forced to walk their way out of a Green Line tunnel as part of their evening commute on ...

A rail tunnel in south-east London will close for 10 weeks for the second time within a year, Network Rail has said.

After a viral shutdown, the internet’s favorite amateur excavator just got the permits she needed to finish her underground ...

The search operation to locate the seven persons trapped inside the partially collapsed SLBC tunnel continued for the 25th ...

A 160-meter tunnel has been mistakenly excavated during the ongoing construction of Athens Metro Line 4, sparking a fiasco.

Efforts to search for the still missing seven workers in the disaster hit SLBC tunnel in Nagarkurnool district entered the ...

The first images of how the Silvertown Tunnel “bike bus ” will transport cyclists and their bikes under the Thames have been ...

Sporting a silver and blue livery, the Silvertown Tunnel Cycle Shuttle is a single-decker bus specially designed to ...