Investigators at the U.S. National Cancer Institute will study the health of residents living near the Trinity nuclear test site in rural New Mexico, where the U.S. conducted the world’s first-ever ...

July 20 (UPI) --The nuclear fallout from the Manhattan Project's test, codenamed Trinity, of a plutonium-implosion device in July 1945 reached 46 states and crossed into Mexico and Canada within just ...

The test on July 16, 1945, resulted from the Manhattan Project. This is an Inside Science story. The Manhattan Project's massive effort to build the first atomic bomb led to the Trinity test on July ...

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 ...