Vladimir Putin talks a big game when it comes to retaliation - and it's led to fears that a wider conflict could be bubbling.

Vladimir Putin changed Russia's nuclear doctrine after the U.S. lifted a ban on Ukraine using long-range missiles.

Vladimir Putin has signed an update to Russia's nuclear doctrine, coinciding with the 1,000th day of the war in Ukraine.

The new doctrine allows for a potential nuclear response by Moscow even to a conventional attack on Russia by any nation that ...

The Kremlin says that the use of Western non-nuclear missiles by Ukraine against Russia could warrant a nuclear response.View ...

Trump's transition team was apparently unaware that Pete Hegseth, the Fox News host he nominated to lead the Department of ...

Analyst on Putin signing new Russian nuclear doctrine after Biden’s arms decision for Ukraine Share There is fear, but life ...

Ret. Lt. Col. Daniel Davis share insight on Russian President Putin threatening to use nuclear weapons. #russia #ukraine ...

Russ Vought, who was deeply involved in the creation of Project 2025 and wrote an entire chapter in the right-wing playbook, ...

Fred Kempe, Atlantic Council president and CEO, joins CNBC's 'Money Movers' to discuss outlooks on geopolitical tensions as ...

The developments marked a worrying new escalation in the conflict that has repeatedly ratcheted up international tensions.

MOSCOW >> Russian President Vladimir Putin today lowered the threshold for a nuclear strike in response to a broader range of conventional attacks, and Moscow said Ukraine had struck deep inside ...