New START is the last major guardrail constraining the nuclear arsenals of the two countries that together hold some 85% of ...

The Kremlin says it views the expiration of the last remaining nuclear arms pact between Russia and the U.S. with regret, ...

The last major arms control treaty between Russia and the U.S. will expire on Thursday.

Are the world's superpowers back in an arms race now that the new START treaty has expired? NPR's Leila Fadel speaks with arms control expert Rose Gottemoeller.

Here are the major updates from Delhi today — covering civic updates, traffic and metro alerts, weather conditions, and key ...

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.

The Kremlin said on Thursday that Russia would continue taking a responsible approach to strategic nuclear stability, despite ...