A close ally of President Vladimir Putin warned Western governments on Thursday that a nuclear war would ensue if they gave ...

LONDON, Sept 13 (Reuters) - Vladimir Putin's options to retaliate if the West lets Ukraine use its long-range missiles to ...

When American leaders should be focused on finding a diplomatic off-ramp to a war that should never have been allowed to take ...

Kremlin warns of nuclear war if the European Union backs Ukraine’s use of long-range weapons on Russian soil, escalating ...

Assumptions on reaching the threshold of nuclear weapons were overwrought, but those assumptions have made a nuclear conflict ...

Russia warned the West and Ukraine on Friday of "disastrous consequences" if Kyiv moved against close Russian ally Belarus, ...

The IAEA teams present at the Khmelnytskyy, Rivne and South Ukraine nuclear power plants (NPPs) and the Chornobyl site ...

Former Los Alamos lab director Siegfried Hecker proposes a series of nine questions on great power competition, the global ...

Much of the public discourse about arming Ukraine has revolved around whether the United States will send “long range” ...

The nuclear safety and security situation in Ukraine remains fragile because of the armed conflict, with International Atomic ...

Russian forces have hit a centre for the elderly in the Ukrainian city of Sumy and targeted the country’s energy sector in a ...

Trump and Kennedy warned that Biden administration Russia-Ukraine war policy might lead to "the end of civilization." ...