One coin in particular could be worth up to $100,000.
Russia's Viktor Leonov has been spotted close to the American mainland for the second time in a year.
The Portland could test and indefinitely sail with the next-generation laser weapon bolted onto it.
The U.S.S. Little Rock has been caught out by the freezing weather that has battered the U.S.
The Knyaz Vladimir is the first of five nuclear-powered submarines that Moscow believes will upgrade its navy.
The BK-31 vessel, sunk during the most critical stage of the Nazi siege, shows how close Stalingrad came to defeat during one of the war's bloodiest battles.
The Sibir weighs 33,500 tons, is more than 576 feet long and is fueled by two nuclear reactors, giving it the power to plow through icy Arctic terrain.
Families and troops are dissatisfied with increasing reliance on lengthy rotational deployments.
The USS Thunderbolt reportedly fired at an Iranian ship that came within 150 yards and may belong to the elite Iranian Revolutionary Guards Corps.
Is this the beginning of the end for the South China Sea conflict?
The cruise ship will have an ice rink, a robo-bartender, and a 10-story waterslide.
The search party hunted for 50 hours to find the missing sailor and enlisted the help of the Japanese coastguard.
The Baltic country claims Russian jets and vessels neared its borders 13 times last month.
The International Space Station is going through one of the busiest times in its traffic history.
Giffords celebrates her 47th birthday Thursday after surviving a 2011 assassination attempt.
The man was dehydrated and suffering from hypothermia when he was rescued.
Reports suggested Russian ships might be readying for the arrival of a U.S. ship in the region.
The Viktor Leonov spy ship was spotted 20 miles south of a U.S. naval base.
Despite its title, the USS Dahlgren isn't a warship—it's a cybernetic lab that allows for the simulation of drills at a fraction of the cost and effort.
Moscow's new base plans for deployment of land, air and sea defenses as tensions over Aleppo airstrikes grow.
The Vladimir Monomakh will be permanently deployed in Russia's far east.
NATO and Russia are both pondering reinforcement in the Black Sea.
The new frigate was sent for practice during NATO's annual Black Sea drill.