Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an atomic bomb, according to Edward Morse, a professor of nuclear engineering ...

UN Nuclear watchdog, the International Atomic Energy Agency (IAEA), has said that Iran holds 440.9 kg (972 pounds) of highly ...

In 1994, astronomers witnessed one of the most dramatic events ever recorded in space when comet Shoemaker–Levy 9 smashed into Jupiter. Traveling at more than 216,000 km/h, the comet broke into 21 ...

Alex Wellerstein joins WIRED to answer the internet's burning questions about nuclear science. Which nations have nuclear bombs? Who decides who gets to have nuclear warheads and who doesn't? Why were ...

Each day of war risks a strike on sites that could scatter radioactive material. Officials say one laboratory near the front has been hit dozens of times. Each day of war risks a strike on sites that ...

The US military has lost six nuclear warheads in Broken Arrow incidents, with weapons dropped in waters near Tybee Island and the Mediterranean Sea remaining underwater and unrecovered to this day ...

Many Americans—including students in the History of the Atomic Bomb course taught at the University of Texas at Austin by Bruce J. Hunt, A&S '84 (PhD)—have learned a version of this story: On Aug. 6, ...