The Latest Breaking News from Nuclear Weapons

New national security strategy warns of Russia as more immediate threat and China as long-term competitor

A Russian nuclear strike would change the course of the conflict and almost certainly trigger a "physical response" from Ukraine allies and potentially from NATO, a senior NATO official said on Wednesday. Any use of nuclear weapons by Moscow would have "unprecedented consequences" for Russia, the official warned. It would…

Tactical nuclear weapons are often characterised by their size, range, or use for limited military targets.

Biden tells CNN the Russian president ‘miscalculated’ the war in Ukraine ‘significantly’.

John Bolton suggested that America could assassinate the ailing Russian president if he unleashes nuclear weapons on Ukraine

Vladimir Putin’s military assault continues in face of near-unanimous international condemnation

From the war in Ukraine to North Korea's recent missile testing spree, tactical nuclear weapons are being debated and developed in a way not seen since the Cold War.

Russian investigators peddling ‘nonsense’ says Ukraine after Kremlin arrests

What would happen if Russia used a nuclear weapon in Ukraine, and how would NATO respond while still avoiding an all-out nuclear war?

"Any use of chemical, biological or nuclear weapons by Russia would be met with severe consequences."

Liz Truss and allies condemned Russian attacks on Ukrainian cities.