This is the hardest, slowest way to dig a tunnel through a mountain. It would take you more than 80 years to dig a mile-long tunnel with hand tools!

Deep underground, a construction crew is hard at work. They are digging a two-mile-long tunnel to help keep millions of gallons of raw sewage out of nearby waterways. And they have a lot of help ...

Thing we were happiest to learn: Sometimes digging tunnels is therapy. Supercomputer architect Seymour Cray said building a tunnel under his house helped him think, and while digging ...

NEW DELHI--Rescuers in India began digging manually Monday in hopes of reaching 41 construction workers who have been trapped in a collapsed mountain tunnel ... debris with hand-held drilling ...