The Strategic Defence Review warned that Russia is building up its nuclear warheads and is an ‘immediate and pressing threat’ ...

U.K. Prime Minister Keir Starmer unveils a defense strategy to counter Russian aggression, focusing on nuclear deterrence and ...

President Trump said the Russian leader told him “very strongly” in a phone call Wednesday that he would respond to the drone ...

President Donald Trump said Wednesday that Vladimir Putin intends to retaliate “very strongly” against Ukraine for a surprise ...

Speculation is mounting over whether Russian President Vladimir Putin could resort to a tactical nuclear strike on Ukraine ...

Deadlier weapons, more nations, autocrats in charge, disinformation and collapsing arms control — the risk of nuclear ...

The looming expiration of the New START Treaty, the only remaining bilateral nuclear arms control agreement between the ...

Ukraine's drone strike in Operation Spider's Web devastates Russian bombers, raising concerns about drone threats and ...

Missile defense systems are nothing new. History shows that even if they work as advertised – a big if – they’re a bad idea ...

Poland and its nuclear-armed allies might choose among three options. It could try to acquire its own nuclear arms. Poland ...

Former Russian President Dmitry Medvedev has issued a chilling warning of World War 3 after Donald Trump blasted Vladimir ...

Russia sees little chance of saving its last nuclear accord with the United States, due to expire in eight months, given the ...