The last remaining nuclear treaty between the U.S. and Russia has expired, ending decades of arms control between the two countries with the largest nuclear arsenals.

For the first time in over 50 years, there are no nuclear arms controls in place between the world’s two largest nuclear powers, the US and Russia.

The president has said a new nuclear pact should involve Beijing.

The New START Treaty expired, ending verifiable caps on U.S. and Russian nuclear arsenals as tensions rise over China's growing stockpile. The post US-Russia treaty capping nuclear warheads lapses.

The final nuclear weapons treaty between the US and Russia, New Start, has come to an end. Signed in 2010, this agreement put limits on the number of atomic weapons that both countries could test and ...

The expiration of the New START treaty has the US and Russia poised to increase the number of their deployed strategic ...

START was signed in 1991, ending Cold War’s nuclear standoff and introducing unprecedented verification regime - Anadolu Ajansı ...

Poland has previously said it would be open to hosting American tactical nuclear weapons on its soil.

The contemporary international security environment is undergoing a marked transformation in the nature and conduct of armed conflict, with significant implications for global arms control and ...