According to Guinness World Records, the smallest submarine ever made is just 4mm, or 0.157 inches long, and was created in 1999 by the German company MicroTEC as a mini medical device. By contrast, ...

The United States Navy's submarine fleet is bigger than you think, consisting of more than 70 subs, but Russia's comes in a close second with roughly 64 vessels in its arsenal. It has 16 ballistic ...

North Korea on Thursday released new images of what it claims is its first nuclear-powered submarine, a massive vessel equal in size to some of the United States Navy’s attack subs.

Spotter planes can no longer directly see enemy submarines. Today, their mission is overwhelmingly acoustic—listening to ...

The purpose of a sail on a boat, obviously, is to catch the wind and propel it forward. This was how all naval vessels were propelled before solutions like steam engines became commonplace. Perhaps ...

The debut followed the North’s first test of a new surface-to-air missile and the arrival of a U.S. nuclear-powered attack ...

Submarine crews are undergoing more arduous training to sail farther from China, and it's taking a toll.

Australia, Britain and the United States announced that they would transfer nuclear-powered submarines to Australia in 2021. Two years later, an ambitious plan was detailed to support the U.S. effort ...

North Korea's state media released photos Thursday of what it said was the hull of a nuclear submarine. Its leader denounced ...

If you were to go back about 200 years ago and bring a stranger to modern times, chances are they might feel that they're looking at magic. Much of the technology we have now was once unfathomable to ...

Rep. Rosa DeLauro, D-Conn., confronted Defense Secretary Pete Hegseth during a heated House Appropriations Committee hearing Tuesday over years-long lags in the nation’s shipbuilding capacity. The top ...

North Korea on Thursday released new images of what it claims is its first nuclear-powered submarine, a massive vessel equal ...