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One hundred years after the liner Lusitania was sunk by a German submarine, a new account asks whether it could have been prevented, and offers up some surprises.

Early in 2012, a former swimming pool installer turned treasure hunter called Greg Brooks made global headlines when he announced the discovery of the SS Port Nicholson – a British freighter sunk off America in 1942, thought to be carrying £1.9bn of Russian platinum to pay for weaponry to help an increasingly desperate Stalin defeat Hitler.

The Canadian navy halted a live-fire explosives exercise near Nanoose Bay on Wednesday after a whale-watching crew warned that a pod of orcas was arriving in the area.

To a European visitor, the city of Ulsan on the southern tip of the Korean peninsula seems like a throwback to some lost world....

The Pentagon behaves as if aircraft carriers will rule forever … they won’t

The USS Constitution has been moved to dry dock for a major restoration project expected to take three years. The world’s oldest commissioned warship still afloat, which was launched in 1797

The cargo ship went down in 1681 with crates of swords, nails, and bolts of cloth.

Could a shipwreck recently found off Wan Chai be the remains of HMS Tamar, Hong Kong's most famous warship? Max Joseph delves into a murky, and probably political, mystery

Underwater explorers in Madagascar say they have found what is thought to be the treasure of notorious Scottish pirate Captain William Kidd.

Gregg Bemis, owner of the salvage rights to the Lusitania, wants to solve the mystery of why it sank so quickly. He may not get the chance.

For millions of years, blue whales have cruised the world's oceans with hardly a care, their sheer size making them largely free from predator attacks. The downside to being the largest animals in history, however, is that the species was never pressured to evolve defensive behaviors.

To mark the beginning of celebrations for Cunard's 175th anniversary, the cruise line's Three Queens met in Southampton for a historic sail away

The Navy's plan is to revitalize its force with new vessels that will cost far more than the current ships and be far less effective.

A former U.S. Navy aircraft carrier that survived a Japanese torpedo strike and was a massive guinea pig for two atomic bomb blasts looks remarkably intact at the bottom of the Pacific, according to federal researchers who surveyed the wreck last month with an underwater drone.

A French ship, the 32-gun frigate "Hermoine," is expected to set sail later today from Western France to the United States.

The captain of the MV Thunder didn’t go down with his ship. Instead, he stood cheering and applauding in a life raft as the 62-m fishing trawler sank beneath the glassy surface of the Atlantic, 200 km off the coast of Gabon. Then he and his crew of 40 meekly allowed themselves to be rescued by the boat that had been pursuing them for 110 days.

More than 100 miserable vacationers spent a large part of the last two weeks puking and shitting themselves at sea, the Centers for Disease Control confirmed Monday, after an outbreak of norovirus ravaged Celebrity Cruises' Infinity ship.

A cargo ship plies the Mississippi River towards New Orleans in Plaquemines Parish, Louisiana, USA, March 31, 2015.

The Galloo shipbreaking plant in Ghent, Europe's largest, processes some 35,000 tonnes of metal every year. It employs only about 30 staff, with most of the heavy work done by machines.