The village at Cavalaire-sur-Mer represents the second example of an open-air Cardial settlement ever discovered in France.

Hydrogen can be used in chemicals and as a green fuel. Vast underground stores could help make it an economical option.

Cryptocurrency enthusiasts welcomed President Trump’s pardoning of Ross Ulbricht, who had been serving a life sentence ...

US-based company SAFE, has unveiled plans to build a luxury fortress in Virginia in the US, where a £242 million bunker could ...

John Spencer is chair of urban warfare studies at the Modern War Institute and a founding member of the International Working ...

It’s long been rumored that a network of old, underground tunnels lies beneath Cusco, Peru, the capital of the ancient Incan ...

A new education program seeks to provide local prisoners with a sanitary space for tattoos and give students the foundation ...

Mr Berry, whose previous rare£32,000 Harry Beck Tube map poster featured in the Channel 4 series The Greatest Auction, came across the enamel map by chance at a collector’s lair. He was selling a ...

Join us as we construct a sturdy wooden wall for our secret underground house! This project showcases creativity, craftsmanship, and resourcefulness in bringing our vision to life. Watch the process ...

I've always been fascinated by mountaineering, but I confess that I've never really understood it. I've read Into Thin Air ...

Silicon Valley entrepreneur Elon Musk has revealed new details about his idea for an underground roadway system beneath cities that would zip cars through tunnels. The Wall Street Journal's Rolfe ...

The Incan Temple of the Sun in Cusco has long been a visual and cultural jewel of the ancient empire. But there’s even more ...