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 ...

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 ...