WASHIGNTON, D.C. — The last nuclear treaty between Russia and the United States expired Thursday, abruptly ending decades of ...

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

WASHINGTON, Feb 5 (Reuters) - The U.S. military said that Washington and Moscow on Thursday agreed to reestablish high level ...

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

WASHINGTON, Feb 5 (Reuters) - The United States and Russia are closing in on a deal to observe the New START nuclear arms ...

American negotiators trumpeted plans for a prisoner swap, but that was small recompense for months of diplomatic efforts by ...

A Russian official said Moscow is ready to respond with military measures if the United States deploys its missile defense ...

The last remaining nuclear arms control treaty between the United States and Russia is set to expire Thursday, leaving the ...

As the second round of Ukraine peace talks in less than two weeks ran into a second day Russian and Ukraine negotiators said ...

A nuclear treaty first signed in 2010 is expiring this week. If it's not replaced, experts say a global arms race could be in ...

President Donald Trump wants a new nuclear arms treaty with Russia and China instead of extending the expired New START ...

Polish Prime Minister Donald Tusk became the first high-ranking official to ask the question on everyone’s mind — Was ...