Just one nuclear arms pact between Moscow and Washington is still standing: New START, which experts say is on the ropes and ...

Ukraine's Defence Intelligence agency (HUR) claims that its hackers have successfully stolen secret files and classified data ...

"Rhetoric sometimes turns into action in unpredictable ways," a former senior U.S. arms control official told Newsweek.

Russian President Vladimir Putin met United States envoy Steve Witkoff in Moscow on Wednesday, the Kremlin said, two days ...

Russian President Vladimir Putin held "constructive" talks with US envoy Steve Witkoff in Moscow on Wednesday, the Kremlin ...

Trump speaks to Zelensky as US to decide on Russia sanctions today - Putin unlikely to give in to Trump’s Friday deadline to agree ceasefire ...