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 ...

OAK RIDGE, Tenn. (WATE) — Wednesday marks 80 years since the Manhattan Project‘s Trinity test, and the American Nuclear Society is commemorating Oak Ridge’s role in bringing World War II to an end.

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. The U.S. Army Corps of Engineers removes soil contaminated with radioactive waste from the banks of Coldwater Creek, center, that ...

The Radiation Exposure Compensation Act has been a lifeline for some people and families exposed to toxins linked to decades-old nuclear weapons tests, but advocates say more people deserve ...

Several moms in suburban St. Louis have been working to get toxic sites in the area cleaned up, a major undertaking to fix widespread contamination that some government officials apparently covered up ...

A number of social media posts in August 2025 shared a story about the civilian aftermath of America's rush to create the atomic bomb in 1945. According to the posts, a group of 13-year-old girls was ...

Adjust the colors to reduce glare and give your eyes a break. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS ...

The Manhattan Project occurred between 1942 and 1946. It employed over 129,000 people at its peak and cost a total of $2 billion. The project produced the first working nuclear bombs and ushered in ...

In July 1945, as J. Robert Oppenheimer and the other researchers of the Manhattan Project prepared to test their brand-new atomic bomb in a New Mexico desert, they knew relatively little about how ...