Australia announced on Friday that it will invest an additional A$4.6 billion (U.S.$3.2 billion) ...

A World War II-era American submarine lost in the Pacific with all hands has been found resting upright on the ocean floor, ...

The USS Nautilus, the world's first nuclear-powered submarine, participated in scientific and military operations around the ...

World War II featured many legendary submarines, which prowled the open ocean, crippling both military and civilian ships and ...

Add Yahoo as a preferred source to see more of our stories on Google. That has left Scorpion in a strange place in American naval history: officially unresolved, heavily studied, and still argued over ...

The third warship named for the Alaskan capital city was sunk by a Japanese submarine in the Exercise Valiant Shield 2026 training exercise last month.

Seoul, South Korea (CNN) — South Korea wants to join the undersea naval elite – and has received the blessing of US President Donald Trump to do just that. Having Seoul become the seventh country in ...

Add Yahoo as a preferred source to see more of our stories on Google. The US Navy Arleigh Burke-class guided-missile destroyer USS Thomas Hudner fires a Tomahawk land attack missile in support of ...

Most of China's submarine fleet is diesel-electric, but Beijing is ramping up production of nuclear-powered classes.

Under the 2021 Aukus deal, Australia will receive three US nuclear-powered submarines amid slow production concerns.