Vladimir Putin has approved an updated nuclear doctrine, saying that Russia could consider using nuclear weapons if it is ...

The Kremlin says it has adapted its nuclear doctrine and that the changes will be "formalised as necessary" - as Moscow ...

And Paul Nitze, Reagan’s senior advisor on arms control, was both an architect and implementer of that strategy. Nitze, ...

Ukraine has been pleading with the US for months to let it use American-made weapons to hit military targets inside Russia ...

North Korean leader Kim Jong Un met with the leader of a Russian delegation in Pyongyang and called for deepening trade, ...