NASA's advanced seafloor mapping technology has revealed what is hidden beneath Earth's oceans. The findings offer an insight into how underwater navigation can be improved. The data comes from the ...

An underwater camera set up 55 years ago to try and photograph the Loch Ness Monster has been found by accident by a robot ...

Two children are believed to be among six tourists declared dead after a tourist submarine sank in the Egyptian Red Sea. Emergency services were called out to a harbour in the popular tourist ...

It is an underground base for submarines. Or maybe it isn't so unusual ... winding strait and rocky hills. From 1953 to 1961, an enormous underground complex was excavated, consisting of a ...

North Korea unveiled for the first time a nuclear-powered submarine under construction, a weapons system that can pose a major security threat to South Korea and the US. State media on Saturday ...

By Choe Sang-Hun Reporting from Seoul North Korea said on Saturday that it was building its first nuclear-powered submarine to enhance its nuclear weapons abilities, and the state news media ...