U.N. nuclear inspectors on Friday departed from Iran two days after the Middle Eastern nation suspended cooperation with the ...

A potential European nuclear deterrent is a different matter. European politicians have sporadically expressed concern about the nuclear threat from Russia, and defense experts have begun discussing ...

The American reaction to an attack is classified, but details made public paint a harrowing picture.

Iran's suspension of co-operation with the UN nuclear watchdog is "unacceptable", US State Department spokeswoman Tammy Bruce ...

The new map displays the potential impact of a large-scale nuclear attack on the United States, with 250 million immediate ...

Iran is assessing the damage and lashing out over the American and Israeli airstrikes that damaged its nuclear sites. But the ...

It seems to be finally dawning on President Donald Trump what Ukrainian President Volodymyr Zelensky tried to tell him in ...

The University of Southampton has been selected to help coordinate radioactivity monitoring and emergency response in Europe.Southampton has been ...

The talk comes a day after Trump and Russian President Vladimir Putin discussed Ukraine, Iran and other issues in a call the ...

As Ukraine’s former Foreign Minister Dmytro Kuleba noted in Foreign Affairs in late May, neither Russia nor Ukraine “has much ...

Sen. Tim Scott (R-S.C.) rejected concerns that President Trump is going “too easy” on Russian President Vladimir Putin, as the White House works to broker a ceasefire between the Kremlin and Ukraine.

Analysts say Ukraine’s European allies can fill some of the gaps and provide artillery systems. But they don’t possess alternatives to the U.S.-made HIMARS missiles and air defense systems, especially ...