It was the greatest experiment ever conducted on U.S. soil. Discover 20 little-known facts about the Manhattan project.

On July 16, 1945 humans detonated our first nuclear weapon. Code named Trinity, the detonation released the energy equivalent to 20 kilotons of TNT and was hot enough to turn sand into glass.

A 1946 ad in Mechanix Illustrated offered jewelry made of “‘atomsite,’ the atomic-fused glass from the Trinity Site.” But the “-ite” suffix asked for something more specific than ...

The “Trinity” test, as it was secretly known, was the first nuclear detonation by the American military, occurring on July 16, 1945. That test resulted in the distribution of radioactive ...

The Republican-controlled U.S. House has just a few days to vote on a bipartisan Senate bill that would expand compensation for victims of the Trinity Test — the world's first atomic explosion.

The film tells the story of J. Robert Oppenheimer, the theoretical physicist who led the effort to build the first atomic bomb, tested in July 1945 at Trinity site in New Mexico. Featuring candid ...