The Israel Defense Forces (IDF) have uncovered what they describe as one of the biggest and most advanced Hamas tunnel ...

What began as a simple search for drainage tunnels turned into a descent beneath the city — a maze of concrete chambers, ...

Are the tunnels beneath Guadalajara big enough to travel via horseback? Yes, but that's not what they were built for.

The IDF uncovers one of Gaza's largest underground Hamas infrastructures stretching 25 meters deep beneath civilian sites ...

News of a secret underground tunnel found connected to a historic Brooklyn synagogue blew up quickly on social media, with posts spreading baseless claims about the passage, many laced with ...

Houston’s downtown tunnels are a six-mile, air-conditioned network linking offices, shops and hotels that form a hidden world ...