Aging tunnels are becoming a growing concern, but there aren’t enough experts to inspect and maintain them. To solve this problem, researchers in South Korea have developed a smart AI system that ...

Border Patrol agents uncovered a man-made tunnel connecting Ciudad Juárez to El Paso early Thursday, equipped with lighting, ventilation, and wood bracing, U.S. Customs and Border Protection ...

Rescuers recovered the body of engineer Manoj Kumar from a collapsed SLBC project tunnel after over a month, marking the ...

U.S. and South Korean troops honed their underground combat skills using drones and breaching tools as part of a recent large ...