The first atomic bomb was tested 80 years ago at Trinity Site on July 16, 1945. However, most of us are not familiar with the Trinity Site simulation explosion weeks earlier on May 7, 1945. The ...

We are amidst the 80th anniversary of three solemn days in world history, calling us to action for the sake of all life on earth. Wednesday marks 80 years since Trinity, the first detonation of a ...

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 ...

Eighty years after the Trinity Test brought nuclear fallout to their communities, New Mexico residents living downstream of the test may finally be eligible for long-sought reparations. In the early ...

(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 ...

How atomic fallout created demand for pre-1945 'low-background' steel in scientific instruments.

A 100-ton explosive test occurred at Trinity Site on May 7, 1945, as a rehearsal for the atomic bomb test. The 100-ton test was largely unnoticed, unlike the July 16 atomic bomb test which was seen as ...