Russia has denied that its submarine is experiencing mechanical problems—but a Russian military blogger has speculated that it was forced to surface following a catastrophic fuel leak.

In 1963, USS Thresher sank, killing all 129 aboard—sparking decades of speculation. It remains the deadliest submarine ...

In the shadow of the Cold War’s race for military supremacy, this submarine of the Soviet Navy was right at the very center ...

A RUSSIAN submarine capable of carrying nuclear weapons suffered a “serious accident” in the Mediterranean, according to reports. Fuel is now said to be leaking from Putin’s ...

Russia has unveiled plans to raise two nuclear submarines from the Arctic seabed over fears they could leak radioactive waste ...

Some disasters leave you with questions. This one leaves you with some grief and anger too. 26 months after OceanGate’s Titan sub imploded during a dive to the Titanic wreck, the U.S. Coast Guard has ...

Russia will begin preparations in 2026 to recover two Soviet nuclear submarines from Arctic waters, with operations set to ...

Submarines have been around since the 17th century, and while we know much about modern nuclear subs, the older boats are less well known. This is especially true of those used during World War I, as ...