For many people who grew up during the Cold War era, the fear of a nuclear clash between the U.S. and the Soviet Union was very real. But after the Soviet Union fell, that nuclear escalation ratcheted ...

President Donald Trump has announced the US will start testing nuclear weapons in what could be a radical shift in his nation's policy. "Because of other countries testing programs, I have instructed ...

We're entering a new nuclear era—one that’s more chaotic and dangerous than the last. The world is entering a dangerous nuclear era: China’s growing its arsenal, Russia’s rattling its saber, even US ...