The Migaloo M5 concept, the company says, involves a 540-foot base-model superyacht that would travel about 820 ... as a submarine — an underwater vessel that can launch itself and return ...

Drone warfare has been a predominant feature on recent battlefields, and Germany is now extending it to the seas with its ...

But in 2025, Norway is taking its seafaring legacy into the future with the world’s first-ever cruise ship tunnel — a 1.7-kilometre underwater ... designed to make travel faster, safer ...

Hyperloop One, a Los Angeles-based startup developing the technology for the Hyperloop high-speed transportation system, is interested in building a Hyperloop that can travel underwater.