Huge ancient underground tunnels have been discovered in Brazil and Argentina, and the source of these huge structures is not believed to be due to humans or natural geological processes. Reaching ...

👋 Welcome to 5 Things PM! “South Park” is back with a vengeance. The show’s 27th season premiered this week, taking swings at President Donald Trump and Paramount, its parent company. The ingredients ...

The Garamantian Empire survived in the extreme conditions of the Sahara Desert for hundreds of years using a unique tunnel system for moving water, according to new research. Photo from Carlos Leret, ...

This is an extract from Our Human Story, our newsletter about the revolution in archaeology. Sign up to receive it in your inbox every month. A central plot point in the human story is our species’ ...

Tunnel warfare has been used since the 9th century BC. Tunnels provide advantages in warfare by providing cover and secrecy. Most recently, Hamas militants have been using tunnels in the conflict with ...