Russia's nuclear rules say it can use atomic weapons if the country — or one of its allies — is attacked, especially if the attacker is a non-nuclear nation backed by a nuclear power. That clause ...

President Trump's tone has shifted both toward Putin and regarding the continuation of U.S. military support for Ukraine.

Anglo-French agreement to develop close cooperation in nuclear weapons strategy strengthens Europe’s security whatever the ...

Though endlessly critical of his predecessor, President Trump has adopted a Ukraine strategy similar to that of former ...

Given significant war preparations, it’s unlikely Beijing’s willingness to sign the protocol to the Bangkok Treaty is the result of peaceful intentions.