The DEFCON Warning System™

The World’s Only Public Nuclear Threat Advisory System. Independent, real-time analysis of global nuclear tensions. Since 1984.

Russia

CIA Director William Burns said Tuesday that Russia’s invasion of Ukraine has fallen far short of Vladimir Putin’s expectations and that he

Wars sometimes start easily, but it is a tenet of strategy that they are always unpredictable and extremely hard to end. Putin’s

Ukraine is still standing. That may be a surprise to Russia as its invasion grinds toward a third destructive week. Not only

For a small tribe of veteran atomic experts who helped secure the Soviet Union’s nuclear energy and missiles as it started to

For those of you who are new to The DEFCON Warning System, you’ve probably been seeing a lot of alarming messages. Doom!

Growing up in Las Vegas in the 1980s, Glynn Walker always knew he could die in a nuclear attack. The 43-year-old engineer

Russian President Vladimir Putin said at the weekend that his nation’s nuclear forces should be put on high alert, raising fears that

N 1902, the Boston Brahmin and historian Brooks Adams published an influential book called The New Empire. It arrived at a moment

As Russia’s war on Ukraine continues, some experts warn Russia might escalate the conflict further either in Ukraine or against the western

Vladimir Putin has been flaunting his nuclear arsenal since the invasion of Ukraine got underway. He has test-launched several cruise and ballistic

or many people, watching the Russian invasion of Ukraine has felt like a series of “He can’t be doing this” moments. Russia’s

Russian President Vladimir Putin’s implied threat to turn the Ukraine war into a broader nuclear conflict presents President Joe Biden with choices