When Vladimir Putin put his country's nuclear forces on "special" alert shortly after invading Ukraine, he effectively raised ...

Russia's top military and political officials joined Putin in the closed city of Sarov, which houses the Russian Federal ...

Steve Hicks worked for 34 years at the Y-12 National Security Complex - which enriched the uranium for the atomic bomb that ...

Unless the Trump administration chooses to renew the compensation program former nuclear weapons employees who are hoping to ...

In an apparent response to Donald Trump hinting that his administration might allow Ukraine to “fight back” by attacking ...

North Korea is "no longer content to have its nuclear weapons and be left alone," a former senior U.S. official told Newsweek ...

An organiser says the event will feature many new pieces of equipment, including all three elements of the nuclear triad.

Iran has long insisted its program is peaceful. The U.S., the IAEA and others say Iran had a nuclear weapons program up until ...

The government in Tehran wants to continue talks with Germany, France and Britain next week in the dispute over Iran's ...

Officials in Washington believe Tehran is deliberately running down the clock before the Europeans decide whether to reimpose ...

The Trump administration plans to make available about 20 metric tons of Cold War-era plutonium from dismantled nuclear ...