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

The throttling of the communication app, used by more than 100 million Russians, endangers what remains of the country’s free ...

There are fears of a new nuclear arms race brewing amid the emergence of a new world order.

International Olympic Committee bars a Ukrainian skeleton racer from wearing a helmet showing images of fellow athletes ...

Tensions in West Asia continue to escalate as Iran resumes nuclear negotiations with the United States under Omani mediation ...

By Guy Faulconbridge MOSCOW, Feb 3 (Reuters) - Russia is ready for the new reality of a world with no U.S.-Russian nuclear ...

President Donald Trump threatened "very severe consequences" on Russia in 2025 if Moscow didn't end Ukraine war, pressuring ...

Two suspects will allegedly be interrogated in the attempted assassination of Russian intelligence deputy chief Lt. Gen.

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

Ukraine and Russia might meet in the United States in February after U.S. officials suggested a non-binding June deadline to ...

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

In Milan this week, Olympics officials signaled a willingness to ease years of restrictions imposed on the country over its ...