How do humans build colossal structures beneath oceans, rivers, and lakes? In this video, we explore the fascinating process of underwater construction, from deep-sea tunnels and submerged bridges ...

Ever wondered how massive bridges, tunnels, and foundations are built underwater without flooding the site? The secret lies in a brilliant engineering method called the cofferdam. In this video ...

Underwater tunnels had people stumped until French-British engineer Marc Isambard Brunel took inspiration from nature back in 1818. After watching how a shipworm’s shell plates allowed it to ...

Exploring the depths of the ocean has always been one of humanity’s greatest challenges, limited by technology and extreme conditions. Despite covering more than 70 per cent of the planet, the deep ...

(CNN) — A megastructure found in the Baltic Sea may represent one of the oldest known hunting structures used in the Stone Age — and could change what’s known about how hunter-gatherers ...

An underwater stone wall discovered in the Baltic Sea near Germany was built about 11,000 years ago for hunting reindeer when the location was dry land, a new study indicates.