During the late 1970s, the United States developed a nuclear weapon designed not to flatten cities but to kill the people inside them. The neutron bomb, formally known as an enhanced radiation weapon, ...

Eight metres long and weighing 25 tonnes, a replica of the so-called Tsar Bomb, the most powerful nuclear bomb ever detonated, has gone on display for the first time in Russia, in the midst of an ...

(CNN) — When Iran’s covert nuclear program came to international attention over two decades ago, Tehran insisted that its intentions were peaceful and that it had no plans to develop weapons. The ...

Edward Teller (1908-2003), the “Father of the Hydrogen Bomb,” made important contributions to quantum mechanics and physical chemistry, and was among the scientists who, on the eve of World War II, ...