The trail related to the radiation poisoning of ex-Russian spy Alexander Litvinenko has led to Germany, where Hamburg police confirmed finding traces of radiation in a BMW that carried a key suspect ...

Nuclear weapons experts are raising the alarm bells over the pressing need for the Trump administration to codify in any new deal a ban on Iran’s attempts to use plutonium from its facilities to build ...

One portion of a gargantuan plan to modernize the entire U.S. nuclear arsenal, costing $1.5 trillion over the next twenty years, has been opened for public scrutiny and comment beginning this week.

John Bolton’s assessment of the Iranian nuclear threat in “Negotiation Won’t End Iran’s Nuclear Threat” (op-ed, April 28) correctly identifies a critical yet frequently overlooked vulnerability: ...

May 6 (UPI) --The Trump administration argued that one crucial reason for launching Operation Epic Fury was to ensure Iran never developed nuclear weapons. In June, Operation Midnight Hammer had ...

A South Carolina facility is being repurposed to produce plutonium pits for nuclear weapons. Watchdog groups are concerned the project will repeat the past failures of the original facility. The ...

Two days after Vice President JD Vance tried to get Tehran to give up its nuclear program in Pakistan earlier this month, Iran offered to suspend its uranium enrichment activities for five years.

The structural materials in an atomic bomb need not be long-lasting; they haven’t much future, anyway. But one of the biggest problems in designing an atomic power plant is finding materials that will ...

AIKEN — Completing the construction and outfitting of a facility for training the operators who will produce plutonium pits at the Savannah River Site has been approved, the U.S. Department of ...

Every year, millions of shipments of radioactive material are transported by land, air and sea. These materials are crucial for medicine, industry, research, agriculture and energy production. Because ...

The National Nuclear Security Administration’s deputy administrator for defense programs argued in a memo this month that Los Alamos National Laboratory should increase its annual production of ...

Precise, deniable and, in Russia’s case, grimly familiar. Poison has become less a medieval cliché than a geopolitical signature flourish in recent years. Subscribe to read this story ad-free Get ...