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Vladimir Putin

Biden allowing Ukraine to strike into Russia is much ado for little consequence

By Mariana Budjeryn | Nuclear Weapons, Opinion

How the fog of war in Ukraine increases the risk of escalation

By Stephen J. Cimbala, Lawrence J. Korb | Nuclear Risk

Why Russia is more likely to go nuclear in Ukraine if it’s winning

By Mariana Budjeryn | Nuclear Weapons, Opinion

A damaged statue of the founder of the Soviet Union, Vladimir Lenin, in the Ukrainian-controlled Russian town of Sudzha, Kursk region, on August 16. (Photo by Yan DOBRONOSOV/AFP via Getty Images)

The Battle of Kursk probably won’t result in nuclear weapons use against Ukraine. But Russian escalation vis-à-vis NATO can’t be ruled out.

By Nikolai N. Sokov | Nuclear Risk, Nuclear Weapons

A photo shared on Russian opposition leader Alexey Navalny's instagram account shows Alexey Navalny on a hospital bed surrounded by his wife and two children as his treatment continues at Charite Hospital in Berlin, Germany on September 15, 2020. Navalny was poisoned, German doctors from a clinic where he is being treated announced. (Photo by Alexey Navalny Instagram Account /Handout/Anadolu Agency via Getty Images)

Putin critic Alexei Nevalny, who once survived a chemical weapons attack, dies in a Russian prison

By Matt Field | Biosecurity

Members of the Wagner Group look from a military vehicle with the sign "Brother" in Rostov-on-Don late on Saturday. (Photo by Roman Romokhov/AFP via Getty Images)

What would happen if a military group took over Russia’s nuclear arsenal?

By François Diaz-Maurin | Nuclear Weapons

The US and Russia must re-assess their strategic relations in a world without New START

By Steven Pifer | Nuclear Weapons

Three ways the US should respond to Russia’s suspension of New START

By Steven Pifer | Nuclear Weapons

Legal aspects of Russia’s New START suspension provide opportunities for US policy makers

By Rose Gottemoeller, Marshall L. Brown, Jr. | Nuclear Weapons

The A1 Verse: Kremlin TV dinner

By Thomas Gaulkin | Special Topics

Heavy equipment in a quarry.

The war in Ukraine is hurting the transition to low-carbon technologies

By Paul Hockenos | Climate Change

VIDEO – Zelensky’s journey: A standup comic stands up to Putin

By Thomas Gaulkin | Multimedia, Special Topics