At 5:30 a.m. mountain war time on July 16, 1945, the world’s first nuclear weapon detonated over a flat, arid stretch of New Mexico desert. The Trinity test, as it was code-named, confirmed that an ...

At approximately 5:30 a.m. on July 16, 1945, the world's first atomic bomb exploded in the New Mexican desert. It was bright, hot, and loud. Scientists and military personnel crouched nearby in ...

(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 ...

Color photo of the mushroom cloud from the Trinity Test in 1945, taken by Jack Aeby Eighty years ago Wednesday, on July 16, 1945, the world changed forever when the first atomic bomb was detonated in ...

The Trinity Test was the first nuclear explosion in history. On July 16, 1945, Los Alamos scientists set off the first atomic bomb in New Mexico’s desert. That test is part of a legacy of weapons ...

Editor’s note: “Behind the News” is the product of Sun staff assisted by the Sun’s AI lab, which includes a variety of tools such as Anthropic’s Claude, Perplexity AI, Google Gemini and ChatGPT. On ...

Jul. 14—The Trinity Test was the first nuclear explosion in history. On July 16, 1945, Los Alamos scientists set off the first atomic bomb in New Mexico's desert. That test is part of a legacy of ...

The first time Americans had ever heard of the atomic bomb was hours after the U.S. bombed Hiroshima in August 1945. But it was tested a month before that in the Jornada del Muerto desert of New ...