Nuclear power: it's safe, sustainable and reliable—arguably the best energy source humanity has ever developed. Yet most people know little about it beyond a handful of misunderstood accidents. That ...

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the Earth, sea, air, and even in orbit. The physics of shock waves, sound, and ...

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 country’s ...