Ukraine, in the aftermath of the Cold War, emerged as the third-largest nuclear power, inheriting a substantial stockpile of Soviet nuclear weapons. This included approximately 5,000 nuclear arms, along with long-range missiles capable of carrying up to 10 ...

Russian foreign intelligence claim adds nuclear dimension to stalled peace talks; front lines remain largely static amid slow Russian advances

Ukraine-Russia war latest: Putin could blame Kyiv for ‘nuclear incident’ to distract from battlefield failure - Russia has repeatedly targeted Ukraine’s energy infrastructure with attacks

On the fourth anniversary of Russia's full-scale invasion, Moscow accused France and the U.K. of seeking to provide Ukraine with nuclear arms. Offering no evidence, Russia's Foreign Intelligence

Volodymyr Zelenskyy has appeared in a defiant 18-minute video as the Ukraine war enters a fifth year, saying Vladimir Putin has not achieved his aims. Meanwhile, Moscow has accused the UK of planning to give Ukraine a nuclear bomb.

Analysts differ on the question of whether Moscow would trade away highly sensitive nuclear submarine technology in exchange for battlefield support.

The Russian-held Zaporizhzhia nuclear power plant in southeastern Ukraine is operating on its sole remaining outside power line after losing a backup line more than a week ago, the U.N.'s nuclear watchdog said on Thursday.

Ukrainian President Volodymyr Zelenskyy declared Tuesday that Russia has not “broken Ukrainians” nor triumphed in its war, four years after an invasion that has severely tested the resolve of Kyiv and its allies and fueled European fears about the scale of Moscow’s ambitions.