A massive volcano hidden beneath the Pacific is swelling again, but its predicted eruption never came. Scientists are now ...

Former People Power Party lawmaker Thae Yong-ho said Monday that N. Korea is likely to build a nuclear-powered submarine ...

The U.S. will shift some of the burden of defense to its allies, and it will equip them for it. One ally's equipment: nuclear ...

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

North Korea showed Kim Jong-un at a "nuclear submarine" site; analysts: it aims to justify its nuclear push and cast Seoul's ...

An autonomous submarine named Ran discovers strange structures under the Dotson Ice Shelf in Antarctica, before mysteriously disappearing.

North Korea has released new images of a nearly complete nuclear-powered submarine, signaling a bold step in its naval ...

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 ...

North Korea displayed apparent progress in the construction of a nuclear-powered submarine, with state media photos showing a ...

Rare Il-38N ASW aircraft reportedly destroyed as Kyiv targets high-value enablers behind the front line. Ukraine’s Security Service (SBU) has released ...

Ukraine's SBU domestic security service has released new footage it says shows the country's preparations for attacking a Russian submarine in the Black Sea port of Novorossiysk earlier this month.

The SBU said that it used the drone to strike a Russian Sea Dragon maritime recon aircraft, a key step for its later attack ...