The Latest Breaking News from Nuclear Weapons

The conflict in Ukraine does not warrant Russia's use of nuclear weapons, but Moscow could decide to use its nuclear arsenal in response to "direct aggression" by NATO countries over the invasion, Russia said on Tuesday at the United Nations.

It's not the first time for such a dire warning. Here's a brief look at why Guterres and others are raising the alarm now.

The United Nations chief is warning that “humanity is just one misunderstanding, one miscalculation away from nuclear annihilation.”

The United States and its nuclear allies rebuked Russia Monday for "irresponsible and dangerous" talk about possibly deploying nuclear weapons as a review of the keystone nuclear treaty opened at the United Nations. "Following Russia's unprovoked and unlawful war of aggression against Ukraine, we call on Russia to cease its…

United Nations (United States) (AFP) - UN head Antonio Guterres warned Monday that a misunderstanding could spark nuclear destruction as the United States, Britain and France urged Russia to stop "its dangerous nuclear rhetoric and behaviour."

The remarks came in a letter to a conference on non-proliferation

Washington (AFP) - The United States and its nuclear allies rebuked Russia Monday for "irresponsible and dangerous" talk about possibly deploying nuclear weapons as a review of the keystone nuclear treaty opened at the United Nations.

United Nations (United States) (AFP) - UN head Antonio Guterres warned Monday that the world faced "a nuclear danger not seen since the height of the Cold War" and was just "one miscalculation away from nuclear annihilation."

AUKUS partners have addressed concerns about the use of nuclear-propelled submarines for military purposes potentially breaching the non-proliferation treaty.