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 ...

A bright, blinding light flashed above New Mexico’s Jornada del Muerto desert at 5:30 a.m. on July 16, 1945. The thunderous roar that followed jolted 14-year-old Jess Gililland awake on the porch of ...

When the first atomic bomb exploded on July 16, 1945, at 5:29 AM, the world did not immediately change, but it would never be the same again. On July 16, 1945, the immense destructive power of nuclear ...

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 ...

LOS ALAMOS, N.M. (AP) — When a flash of light beamed from the arid New Mexico desert early on July 16, 1945, residents of the historic Hispanic village of Tularosa felt windows shake and heard dishes ...

FILE - The first U.S. atom bomb explodes during a test in Alamogordo, N.M., July 16, 1945. The cloud went 40,000 feet in the air, as viewed by an automatic camera six miles away from the site. (AP ...

The U.S. scientists who tested the first atomic bomb, July 16, 1945, took the ultimate gamble of setting the atmosphere on fire and destroying all life on Earth. Even after the renowned physicist Hans ...

On July 1, 1946, by the Bikini calendar (June 30 in New York), millions of people around the world waited anxiously by their radios for the results of the first postwar tests of the atomic bomb. The ...

Eleven scientists who helped build the first atomic bomb gathered at the National Academy of Sciences this week to recall their experiences. Don... Trinity Scientist Recalls Building the A-Bomb ...

On Aug. 6, 1945, the United States dropped an atomic bomb on the Japanese city of Hiroshima. On Aug. 9, 1945, a second bombing was dropped on Nagasaki. The atomic bombs instantly took thousands of ...

(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 ...