Submarines were a big part of the World War II effort, especially for the United States Navy. One sub, the USS Grayback, has ...

Long languishing in the dark depths of the Pacific Ocean, the sunken aircraft carrier USS Yorktown has held secrets for 83 ...

Israeli police on Tuesday continued to search the waters off the country's Mediterranean coast for a swimmer who they fear ...

The superyacht that sank off Sicily last year, killing British tech tycoon Mike Lynch and six others, will be lifted out of ...