Instead, high-energy radiation and electromagnetic pulses dominate, posing serious risks to satellites, spacecraft, and ...

In the pre-dawn dark of July 16, 1945, a searing flash lit up the New Mexico desert. A shockwave followed, rippling outward across the silent plains. This was Trinity — the world’s first nuclear ...

A pivotal scene in the explosive hit biopic and Best Picture winner, "Oppenheimer," involves America's top scientists discussing whether or not to develop an even more potent nuclear weapon — the ...

The photos, he says, are part scientific study and part propaganda, a measure of America’s technological progress and the power of its arsenal. They are also, in a way the Pentagon likely never ...

The 80th anniversary of the atomic bombing of Hiroshima and Nagasaki is this week. It was the only time nuclear warheads were used during war. Here’s a look at the history and current U.S. stockpile.

Within months of the Cuban Missile Crisis, weapons designers at Los Alamos National Laboratory began engineering what would become the longest-serving and most adaptable weapon in America’s nuclear ...

The development of a nuclear bomb that would be 24 times more powerful than the one dropped on Hiroshima, Japan, during World War II is "significantly ahead of schedule," according to U.S. national ...