Sergey Karaganov, a former adviser to Putin, warned that Russia could deploy nuclear weapons if it came close to defeat.

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

The Kremlin said U.S. President Donald Trump has not yet responded to Russian President Vladimir Putin’s offer to extend the New START treaty, which limits strategic nuclear weapons and is due to ...

The death of the last treaty between Russia and the U.S. that limited the size of nuclear arsenals may spark a new arms race, ...

Great power competition gives the United States all the more reason to invest in international cooperative frameworks for ...

Japan doesn’t seem likely to develop nuclear weapons in the short-term. However, the tensions that triggered this episode are ...

Bombshell shows how the government tried to minimize the effects of radiation and prevent independent reporting through ...

Regional fears of a U.S. attack on Iran have eased after President Donald Trump said Tehran had assured him that protesters ...

During the Cold War the U.S. considered putting nuclear weapons on balloons and letting them float into enemy territory for a ...

Around 20 people gathered on the corner of Market Street and Liberty Avenue on Wednesday afternoon, waving flags sporting ...

Bombshell explores how the U.S. manipulated the narrative about the impact of the WWII bombings of Hiroshima and Nagasaki and ...

He played a key role in ending apartheid South Africa’s secret weapons program in the 1980s by helping the African National ...