The story of Trinity Site begins with the formation of the Manhattan Project in June of 1942. The project was given overall responsibility for designing and building an atomic device. At the time it ...

This article is part of a series that will delve into the history of the Trinity Site Test, which marked its 80th anniversary on July 16, 2025, and the commemoration of the growth and evolution of ...

This month marks the 80th anniversary of the Trinity Test, the detonation of a plutonium device known as “the Gadget” in the Southern New Mexico desert. The test, which sent a giant mushroom cloud ...

Mr. Graff is a journalist, a historian and the author, most recently, of “The Devil Reached Toward the Sky: An Oral History of the Making and Unleashing of the Atomic Bomb.” The 80th anniversary last ...