U.S. envoy Steve Witkoff calls Ukraine and Russia's exchange of 314 prisoners "tangible progress," but acknowledges a lot of ...

The agreement was reached following meetings between U.S. Gen. Alexus Grynkewich, who is the commander in Europe of both U.S.

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 ...

The U.S. and Russia agreed on Thursday to re-establish high level military-to-military dialogue following a meeting between ...

MOSCOW, Feb 5 (Reuters) - Russia expelled a German diplomat on Thursday in response to what it said was Berlin's groundless ...

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

The last major nuclear arms control treaty between Russia and the United States expires on Thursday, ushering in an era ...

Little has been made public so far, but negotiators were expected to talk about the fate of Ukrainian territory in the east ...

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

U.S., Russian and Ukrainian negotiators are meeting in the United Arab Emirates, but Russia continues to pummel Ukraine and ...

New START treaty expires, ending nuclear arms limits between U.S. and Russia for the first time in more than 50 years. No ...