Bertha’s end could be near. The world’s largest tunnel-boring machine is on schedule to break into daylight this spring after a tumultuous dig under downtown Seattle that’s years behind schedule. The ...

Las Vegas is crowded with performers, but few are as huge as Big Stan. Thought to be the world's largest truck-mounted drill, Big Stan is flexing its muscles south of the Strip on a $252.5-million, ...

SEATTLE – An enormous drill broke through the east side of Beacon Hill in the city’s south end Tuesday morning, almost a year and a half after it started digging a nearly mile-long light-rail tunnel.

Bertha has made it to the finish line. The celebrity boring machine’s arrival near Seattle Center, some 29 months late, guarantees a Highway 99 tunnel bypassing downtown. And the Alaskan Way Viaduct ...

Crews in Oregon City hoisted 250,000 pounds of drilling equipment out of the Willamette River late last month. The machine? A drill Clackamas County Water Environment Services is calling the ...

BEACONSFIELD, Australia – The effort to free two Australian gold miners trapped underground for 11 days entered its most delicate — and dangerous — phase on Saturday, as rescuers completed work using ...

Two rigs turning from new pads after heavy rainfall; program back on schedule. "We're back at full speed. With both rigs turning from new pads, the program is regaining momentum and delivering the ...

Rescuers searching for a toddler trapped for a week in a well in southern Spain began drilling a tunnel on Saturday, in the latest bid to reach the boy as part of a massive operation to find him.

Bertha, the world’s largest tunnel boring machine, today broke through a 20-foot wall of a repair pit, WSDOT reported. It will continue drilling two more feet before stopping to build another concrete ...

The $11.6 million tunnel-boring machine that will help create a reservoir for Atlanta with a 30-day water supply has a name: Driller Mike. The city announced the nod to Atlanta-based rapper Killer ...