(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 ...

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 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 ...

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 ...

For most of his life, Paul Pino believed his community had dodged the bullet when it came to nuclear fallout. It wasn’t until he’d retired from teaching high school history that he learned that his ...

Dressed in a lightweight, protective zipper-suit designed to keep dirt, insects and contaminants off his body, Dr. Michael Ketterer, a chemist, slowly lowered himself into an empty, abandoned water ...