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 ...

Oct. 14—In the shadow of a federal government shutdown, the site where the first atomic bomb was tested will not be open to the public this year. Located on White Sands Missile Range, the Trinity Site ...

Three observation bunkers were established 10,000 yards from ground zero for the Trinity Site Test. Key leaders, including Dr. J. Robert Oppenheimer and Maj. Gen. Leslie Groves, observed from ...

(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 ...

Following a recent five-hour drive east from Tucson, the New Mexico desert sky was robin-egg blue, with wildflowers gently opening to the sun’s warmth. I was standing at Trinity, ground zero, where ...