On the 80th anniversary of Hiroshima and Nagaski, Professor Nicholas Wheeler explores how fear of nuclear destruction is not an effective deterrent.

(Reuters) -The Russian and Chinese navies have practiced hunting and destroying an enemy submarine in the Sea of Japan, ...

The Doomsday Clock moves closer to midnight as analysts debate nuclear deterrence effectiveness amid rising tensions with Russia over Ukraine and China's arsenal expansion.

Donald Trump ruffled Kremlin feathers last week, when he ordered two US nuclear submarines to move closer to Russia.