Vladimir Putin

For this French senator, Trump is a traitor—and Europe is now alone

By François Diaz-Maurin | Multimedia, Nuclear Risk, Special Topics

Has Trump flipped Ukraine … for Russia?

By Steven Pifer | Nuclear Risk

Trump’s Oval Office outburst with Zelensky, annotated

By John Mecklin, Thomas Gaulkin | Multimedia, Nuclear Risk, Special Topics

How impossible is the risk of nuclear escalation in Ukraine?

By Janice Stein | Nuclear Weapons

A table for five: What to expect from each player at Ukraine peace talks

By Rose Gottemoeller | Nuclear Risk

A growing nuclear debate: The risk of calling everything a nuclear threat

By Chloe Shrager | Nuclear Weapons

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