Doubts surround the AUKUS treaty as Donald Trump's tariffs and concerns over China deterrence impact the sale of nuclear ...

You wouldn't expect it, but military submarines have sails too, but they're not used for what you might think. Here's the ...

USS Virginia is pictured here as it gets ready to begin a maintenance availability in Maine in 2021. US Navy officials said ...

World War II submarines usually had a distinct look, shaped more like boats than the conventional crafts. But was there a ...

The US Navy (USN) is facing delivery delays and cost concerns with its programmes to build nuclear-powered submarines and ...

Undersea warfare training is critical for Australia to maintain vital supply lines, the country's military said.

The 377-foot vessel can dive to depths of more than 800 feet below the surface and maneuver at speeds of over 25 knots.

U.S. controls on sensitive defence exports, relaxed for AUKUS partner Australia last year, still apply to submarines, ...

Sweden's submarines are small and quiet, perfect for the Baltic Sea that many NATO allies share with Russia.

The U.S. Navy has relied on submarines as an important part of its naval power since the invention of the Turtle, the first military sub, in 1775. Over the years, submarine technology improved ...

The rain-soaked event featured many Navy officials, including Navy Secretary John Phelan, hosting his first submarine commissioning. Several Iowa politicians were also in attendance, including ...