By Guy Faulconbridge and Mark Trevelyan MOSCOW, Feb 4 (Reuters) - The last nuclear treaty between Russia and the United States is due to expire within hours, raising the risk of a new arms race in ...

Perspective: Washington and Moscow are sleepwalking into a new arms race—while AI speeds the march to a nuclear ...

Beijing, Moscow and shaken American allies are seeking new warheads as President Trump ends more than a half century of ...

Since the dawn of the nuclear age, there have been efforts to limit nuclear arms. What does this treaty’s lapse mean for the ...

While trilateral peace talks rumble on, Russia's attacks continue unabated. Follow the latest below - and watch Michael ...

Trilateral peace talks aimed at resolving the war in Ukraine have ended after a second day in Abu Dhabi. Moscow and Kyiv have ...

Shortly before lunchtime on Oct 30 1961, a Soviet plane flying above the Arctic archipelago of Novaya Zemlya dropped the most ...

Vance said his wife “is not a sports fan” but “obsessively makes us watch the Olympics” every two years, citing that as ...

Shortly before lunchtime on Oct 30 1961, a Soviet plane flying above the Arctic archipelago of Novaya Zemlya dropped the most powerful nuclear bomb ever created.

President Donald Trump "will decide the path forward on nuclear arms control, which he will clarify on his own timeline," a White House official told Breaking Defense.

The global order is being reshaped by overlapping shocks such as trade wars, supply-chain fragmentation, energy insecurity, ...

Green leader Zack Polanski is taking the fight to Labour with his brand of eco-populism — but while he’s riding high in the ...