A nuclear engineer examines how visual effects artists interpret the size and power of nuclear explosions. The reaction ...

For decades, the idea of saving Earth from an incoming asteroid with nuclear weapons lived mostly in popcorn cinema, a fantasy of oil drillers and last‑minute heroics. Now a new generation of physics ...

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, ...