A submersible vessel used for taking tourists to see the wreckage of the Titanic in the North Atlantic has gone missing, triggering a search-and-rescue operation, the US Coast Guard said on Monday.

The United Kingdom has confirmed that one of its Royal Navy nuclear-powered submarines surfaced close to the Yantar, a notorious Russian spy ship late last year, to make it clear it was being observed ...

Captain-Lieutenant Mikhail Averin prepares for an exercise in the Barents Sea by the Russian Northern Fleet, but things do not go to plan on the submarine Kursk. Show more Captain-Lieutenant ...

If North Korea's current casualty rate holds, it would take three more months for Pyongyang to lose all of its estimated 12,000 troops deployed to fight Ukraine, per an estimate by researchers ...

Ukrainian military forces have captured 27 Russian troops in the Kursk region, including soldiers from various regions of Russia and the occupied Crimean peninsula. Kyiv continues to prioritize ...

A third of the troops North Korea deployed to western Russia’s Kursk Oblast late last year has been killed or wounded, according to Ukrainian Pres. Volodymyr Zelensky. Col. Ants Kiviselg ...

Fighting has intensified in the Russian region of Kursk, with Ukrainian forces taking out whole columns of tanks and the battlefield littered with the corpses of Russian and North Korean soldiers ...

Celebrating what they clearly believed was a devastating strike on Ukrainian air defenses along the 250-square-mile Ukrainian-held salient in Kursk, Russian forces circulated a video montage of ...

Ukrainian soldiers are describing fierce clashes as Russian forces try to retake territory in the Kursk region that could be key in eventual cease-fire talks. A destroyed Ukrainian tank on ...

Ukrainian President Volodymyr Zelensky has said forces operating in the Kursk region of Russia have captured two North Korean soldiers, marking the first time that Kyiv has captured alive soldiers ...