Submarines are a vital part of the United States Navy, but there is one in particular that stayed at sea for 727 days. Here's ...

The U.S. Navy has some of the most advanced nuclear submarines in the world. Its newest addition is named after an important ...

China has overtaken Russia to become the world’s second-largest operator of nuclear-powered submarines. Updated ...

America's national security relies in part on the U.S. Navy's nuclear-powered submarines, which can operate more than 800 ...

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 ...

South Korea and the US have agreed to pursue a separate agreement to formalize Seoul’s right to build nuclear-powered submarines, and working-level talks will begin early next year, the Asian ...

South Korea's government has announced that it has finalised an agreement to build nuclear-powered submarines in partnership with the United States. The US has approved the "attack submarines" and ...

The death of the last treaty capping the size of the Russian and U.S. nuclear arsenals could spark a new atomic arms race ...

The mystique of nuclear-powered submarines has been captured by at least half a dozen popular Hollywood films. Some have centered on the drama of undersea warfare and the risk of global nuclear ...

With U.S. extended deterrence under strain, managing Seoul’s nuclear hedging may be safer than trying to stop it.