The mid-ocean ridge runs through the oceans like a suture. Where Earth's plates move apart, new oceanic crust is continuously ...

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.

Influential think tank The Heritage Foundation has been beset with resignations and criticism after its president defended a Tucker Carlson interview with Nick Fuentes earlier this year. Kevin Roberts ...

As it tried to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a Russian Kilo-class submarine at a Black Sea port. By Maria Varenikova ...

The British navy said Thursday it tracked a Russian submarine navigating through the English Channel for three days, as it steps up efforts to police its seas against such threats. A British naval ...

On April 10, 1963, USS Thresher was conducting deep-dive trials east of Cape Cod. At test depth, a silver-brazed water pipe ruptured in the engine room, spraying seawater at extreme pressure. The leak ...

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 ...

Ukraine says underwater drone strike is historic first Russia denies attack caused any damage Attack hits Kilo-class, missile-carrying submarine Vessel was in Russia's Novorossiysk port in Black Sea ...

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 the world operating ...

TNR’s Greg Sargent takes a critical look at the day’s political news and the stories leading NewRepublic.com, and speaks to leading journalists and newsmakers.

Ukraine's Security Service officers stand by Sea Baby drones during a demonstration at an undisclosed location in Ukraine, Oct. 17, 2025. (Efrem Lukatsky/AP) MONTREAL — The Security Service of Ukraine ...