The March 4 incident in the Indian Ocean marked the first time an American submarine had torpedoed an enemy vessel since the last days of World War II.

They survived the fall of Bataan, endured years of Japanese captivity, and were crammed into the suffocating hold of a transport ship headed for forced labor in Japan. Then American bombs hit the ...

The eight-foot-long underwater robot called Remus 300 dropped into the Atlantic Ocean 16 miles off Cape Hatteras, North ...

The USS "Monitor" was the U.S. Navy's first ironclad warship. The vessel, which sank off of North Carolina in 1862, ...

Horatio Nelson is famous for besting Napoleon at sea. But what did he mean by “Kiss me, Hardy”—his supposed last words?

Three-dimensional images and digital illustrations offer a detailed new look at the USS Monitor, an important Civil War ship that sank more than 160 years ago and has since become a reef.