The Kremlin has called for a cool-headed approach to the potential use of nuclear weapons that’s based on Russia’s established military doctrine rather than “emotions” after Putin ally Ramzan Kadyrov, head of Russia’s region of Chechnya, said on Saturday that Moscow should use a tactical nuke in Ukraine after Russian forces suffered a battlefield defeat….

The attempt on novelist Salman Rushdie’s life was the most dramatic Iranian terror attack on the American homeland. But the regime that takes “death to America” as its motto has others in its crosshairs, like dissident journalists and U.S. officials—including a former secretary of state. So why is the White House determined to give American…

Iran’s nuclear chief warned on Aug. 1 that the country has the “technical ability” to produce an atomic bomb but reiterated previous remarks by Iranian officials that the country has no intention of doing so, despite social media accounts linked to Iran’s Islamic Revolutionary Guard Corps (IRGC) threatening to produce nuclear warheads for missiles. Mohammad Eslami,…

On March 1, 1954, the U.S. military detonated a thermonuclear weapon whose power was such a mystery that scientists took bets on whether it would ignite the earth’s atmosphere. The atmosphere didn’t catch on fire, but the historically powerful blast was nearly three times larger than expected, with its mushroom cloud reaching higher than commercial…