A nuclear engineer examines how visual effects artists interpret the size and power of nuclear explosions. The reaction compares cinematic portrayals with real-world physics, explaining what’s ...

On Nov. 13, 1972, Terry Christensen was working in his office at Dixon Inc. on Orchard Mesa when he, like others, “felt the tremor.” He added. “We went out and saw the smoke. We saw a mushroom cloud, ...

When Iran’s covert nuclear program came to international attention over two decades ago, Tehran insisted that its intentions ...

President Donald Trump has called for the United States to test its nuclear weapons for the first time in three decades. But Trump’s statements about testing — in particular, whether other nations are ...