Thousands of similar tunnel systems have been discovered across Europe and despite this, their purpose has been subject to decades of theory and debate.

The Israeli military has given unprecedented access to the sprawling maze of tunnels underneath Gaza where Hamas held hostages and top commanders for months during the war. Unsettling footage newly ...

Archaeologists initially believed a stone slab at the northern end of the pit to be a grave.

The discovery was made in Reinstedt and may previously have served as shelters, pagan tombs or places of symbolic rituals.

Imagine boarding a cruise ship, gliding into a mountain and emerging on the other side, no stormy seas, no long detours, no risk of abrupt cancellation. That’s the promise of the forthcoming Stad Ship ...

Adil Akhzer reports from the project site as the 13.1-km main tunnel — that will bring all-weather connectivity between Kashmir and Ladakh — nears breakthrough.

A whole seven blocks of subterranean Manhattan is being closed off for a pedestrian-only art installation that turns a tunnel into a pulsing light and sound experience. Mexican-Canadian artist Rafael ...