Starfish Prime, as the third Fishbowl test was called, proved one of the most significant. Like the others, it utilized a Thor rocket with a W49 nuclear warhead.

On July 9th, 1962, humanity lit up the heavens in a way never seen before. Starfish Prime, a high-altitude nuclear test, became one of the most ambitious—and controversial—experiments of the ...

Starfish Prime launched in July 1962, when the U.S. sent up a 1.4-megaton thermonuclear warhead on a Thor missile and detonated it about 250 miles (400 kilometers) above the Earth.

So what exactly is an EMP, and how dangerous are they? EMPs aren’t science fiction. Real militaries are experimenting on real EMP generators, and as Starfish Prime showed us, space nukes can ...

Starfish Prime, Project K Both Russia and the U.S. have detonated nuclear warheads in space. In the 1960s, little was known about how the relatively new weapons of mass destruction would act in the ...

Starfish Prime launched in July 1962, when the U.S. sent up a 1.4-megaton thermonuclear warhead on a Thor missile and detonated it about 250 miles (400 kilometers) above the Earth.