Since the collapse of the old Soviet Union, Russia has cut a substantially diminished figure on the international stage.

Beijing urged the U.S. and Russia to act soon, saying the global nuclear order was on the line.

The last remaining nuclear arms pact between Russia and the United States has expired after Donald Trump rejected an offer ...

The New Start treaty has limited the number of deployed strategic nuclear warheads for both countries.

The New Start Treaty will expire Thursday, removing limits on the U.S. and Russia's arsenals for the first time in over 50 ...

The Kremlin says it regrets the expiration of the last remaining nuclear arms pact between Russia and the United States, ...

Beijing, Moscow and shaken American allies are seeking new warheads as President Trump ends more than a half century of ...

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

Without the New START treaty, which caps the number of deployed nuclear warheads at 1,550 on each side, there will be no ...

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

The New Start Treaty, which was signed by Barack Obama and Dmitry Medvedev in 2010, is expiring. Analysts believe both ...