This color photograph of the test was taken by Jack Aeby. On July 16, 1945, at 5:30 am, the first atomic bomb in history was detonated at what is now White Sands Missile Range in New Mexico. The ...

(Corrections & Clarifications: This story previously misstated how far nuclear fallout from the government's atomic tests reached. Fallout from the initial Trinity Test reached 46 of the 48 contiguous ...

The research shows that the first atomic bomb explosion’s effects had been underestimated, and could help more “downwinders” press for federal compensation. Credit...U.S. Department of Defense ...

A number of social media posts in August 2025 shared a story about the civilian aftermath of America's rush to create the atomic bomb in 1945. According to the posts, a group of 13-year-old girls was ...

WHITE SANDS MISSILE RANGE, N.M. — Trinity. The test that changed the course of human history, with the first detonation of a nuclear weapon in the world – right here in New Mexico. Located two hours ...

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In July 1945, as J. Robert Oppenheimer and the other researchers of the Manhattan Project prepared to test their brand-new atomic bomb in a New Mexico desert, they knew relatively little about how ...