For decades, engineers have searched for underground tunnels by sending signals from the surface downward—an approach that ...

Researchers in the US have recently demonstrated a new way to detect hidden underground ...

In Brazil's vast Cerrado region, Professor Luiz Carlos Forti and his team made a scientific breakthrough. They poured ten ...

Investigators explore claims of a hidden tunnel system linking Sedona and Skinwalker Ranch, sparking theories of military ...

Researchers created the first detailed electrical map beneath the United States, improving the ability to monitor solar storm ...

Production of this article included the use of AI. It was reviewed and edited by a team of content specialists. For those who have spent careers fighting to protect historic structures, the Merchant’s ...