The boats were also powered by a single OK-650 pressurized water reactor ... multi-mission platform that can carry out ...

Any mistake at sea can be deadly, but on a sub the stakes are even higher. Here are five of the worst military submarine ...

The three-tonne DIY submarine called Lake Defender ... “The hatch was open - and came within inches of water flooding in. “I had to jump out and use my body weight to keep it upright.” ...

The USS Cobia, a US Navy submarine, sank 13 enemy ships and rescued seven downed American pilots during World War II.

But water now plays another role, in a project run by NASA's European counterpart, ESA. The oceans of the world mimic the darkness and emptiness of space for submarines that play the role of ...

Australia's submarine plans are slipping due to aging Collins-class vessels and AUKUS uncertainties, forcing tough decisions ...

The Collins Class national security disaster is a $20B submarine mess, atop the well-known $368B AUKUS submarine ...

THIS is the man who spent four years and over £20k building his own submarine – which can dive 60ft underwater. The three-tonne DIY submarine called Lake Defender is the crackpot home ...