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 ...

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 ...

Although President Trump has claimed Iran was weeks away from developing a nuclear weapon, much more work was needed for the country to do so ...

Key Points and Summary - The U.S. military has suffered dozens of “Broken Arrow” nuclear weapons accidents—events involving lost weapons, accidental releases, or other serious mishaps. -Most were ...

Iran cannot use 60% enriched uranium directly in its current form (UF₆, which is stored as a solid in cylinders but handled ...

The National Atomic Testing Museum invites the public to its next “Atomic Stories” presentation, “BREN Tower: The Desert Giant of Atomic Science,” on Saturday, March 14 at 12 p.m.  Delivered ...

Gravity nuclear bombs are some of the most dangerous nuclear weapons ever created. These kinds of bombs, also known as ...

Fears of World War 3 and nuclear attacks are on the rise. But how safe would you be in DC, VA and MD during nuclear war? See vulnerable spots.

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Editor’s note: The Bulletin of the Atomic Scientists presents here, from its September 1946 issue, an eyewitness account of the first atomic bomb test in the Marshall Islands. In it, the author not ...