Ukraine surrendered its Soviet-era nuclear stockpile more than three decades ago and experts have questioned whether Kyiv ...

Robert Fox shared his thoughts about the Kremlin's aims in the besieged nation, setting out a worrying scenario in which ...

After inheriting a vast nuclear arsenal post-Soviet Union collapse, Ukraine chose to relinquish it, motivated by financial ...

Everyone should understand that if the liberal order falls, the nonproliferation regime would fall with it. And the powers ...

Ukraine became the third-largest nuclear power after the Soviet Union's dissolution but voluntarily gave up its arsenal under ...

There are few weapons in the world that are more useful unused. What many people don’t realize is that nuclear weapons are ...

After the fall of the Soviet Union, Ukraine inherited the world’s third-largest nuclear arsenal. However, the country chose ...

Russia's Defense Ministry said its forces shot down 343 Ukrainian drones overnight, in what appeared to be Kyiv's largest ...

A new monitoring mission from the U.N. nuclear watchdog arrived on Saturday at the Russian-held Zaporizhzhia nuclear power ...

KYIV (Reuters) - Ukraine said on Sunday it condemned a "breach of territorial sovereignty" by employees of the U.N. nuclear ...

The most likely candidate to obtain nuclear weapons in the near future is Iran —although Trump has said he will not allow ...