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.” ...

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 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 ...

There are three operational classes of attack submarines ... class's pump-jet draws in water from the front of the vessel through a duct around a turbine pump and pushes it out from a nozzle ...

The government has promised to fix maintenance issues with the navy’s submarine fleet amid concerns they can’t go to sea as ...

The demand for bandwidth and internet connection worldwide is likely to expand the submarine communication ... of communications infrastructure under-water receiving higher focus is expected ...

Two groups of Russian naval vessels, including a submarine, were spotted transiting ... on the Law of the Sea (UNCLOS), which spells out a regime of law and order for the oceans and seas, states ...

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