Middle Eastern diplomats see a chance for progress on Iran’s nuclear program, but they are pessimistic about other U.S.

US President Donald Trump said on Thursday that he had prevented several nuclear wars around the world, including a nuclear ...

Senior U.S. and Iranian officials were set to meet in Oman as a deepening crisis over Tehran's nuclear program fueled fears ...

If nothing replaces the New START nuclear arms treaty, security analysts see a more dangerous environment with a higher risk ...

During the Cold War, the U.S. considered stationing nuclear missiles under the ice sheet in Greenland -- and never told ...

A nuclear war agreement between Russia and the US is set to expire today (5 February) as officials have issued a 'peace and security' warning.

"Riyadh is firmly opposed to any US or Israeli military action against Iran at this stage," a former Saudi adviser told ...

The expiration of the last remaining nuclear treaty between the United States and Russia on Thursday has sparked fears about ...

Beijing, Moscow and shaken American allies are seeking new warheads as President Trump ends more than a half century of ...

New START treaty expires, ending nuclear arms limits between U.S. and Russia for the first time in more than 50 years. No ...

The last remaining nuclear arms control treaty between the United States and Russia is set to expire Thursday, leaving the ...

A nuclear treaty first signed in 2010 is expiring this week. If it's not replaced, experts say a global arms race could be in ...