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Russia

A Ukrainian serviceman pets his dog at a frontline position outside of Novaluhansâke, Ukraine on Tuesday. (Photo by Wolfgang Schwan/Anadolu Agency via Getty Images)

In a historic moment, the West cannot look away from Ukraine

By Thomas Graham, Jr. | Nuclear Risk, Nuclear Weapons

Russian Strategic Missile Forces on the road in a military convoy

Nuclear Notebook: How many nuclear weapons does Russia have in 2022?

By Hans M. Kristensen, Matt Korda | Nuclear Notebook, Nuclear Risk, Nuclear Weapons

office worker and tank Prague Spring 68

Ukraine 2022: Flashback to Crimea 1993? Prague Spring 1968?

By Dan Drollette Jr | Analysis, What We’re Reading

Michael Krepon, co-founder of the Stimson Center think tank, shows an aerial picture taken by the US military in the days after the first atomic bomb was dropped on Hiroshima on August 6, 1945. The institution later gifted the photos to the Hiroshima Peace Memorial Museum. (Photo credit: NICHOLAS KAMM/AFP via Getty Images)

Interview: Arms control expert Michael Krepon on a broader approach to keeping the nuclear peace

By John Mecklin | Nuclear Risk, Nuclear Weapons

An armored battalion heading south from soloti, Russia

In fiery speech, Putin recognizes Ukraine separatist regions; Russian troops ordered to Eastern Ukraine

By John Mecklin | Nuclear Risk

Waving the Ukrainian flag. Credit: Vladimir Yaitskiy. Accessed via Wikimedia Commons. CC BY-SA 2.0

Ukrainian commander: Russia may encounter 100,000 citizen resisters if it invades

By Susan D’Agostino | Nuclear Risk, Nuclear Weapons

Natalia Koryagina, Russia. After teaching herself to cultivate organic vegetables in her kitchen garden, Natalia Koryagina, a local geography teacher, has won national recognition for her work promoting new agricultural techniques in kitchen gardens, and providing training to local women on the use of these techniques. Accessed via Flickr. CC BY-NC-ND 2.0

Sanctions may sting if Russia invades Ukraine, despite Moscow’s efforts at sanction-proofing

By Susan D’Agostino | Analysis, Nuclear Risk, Nuclear Weapons

The A1 Verse: The way is suspicious, the result uncertain

By Thomas Gaulkin | Special Topics

Vladimir Putin

Amid the Ukraine crisis, looking again at Putin, the one-man show the West doesn’t understand

By Fiona Hill | Nuclear Risk

The first of 2,000 soldiers arrive in Wiesbaden, Germany, following the Pentagon’s announcement of additional forces moving from the U.S. to Europe to reinforce NATO’s eastern flank, Feb. 4, 2022. https://www.defense.gov/Multimedia/Photos/igphoto/2002934581/

“Get out now:” US closes Kyiv embassy and warns of imminent invasion amid Russia-Ukraine crisis

By Susan D’Agostino, John Mecklin | Nuclear Risk, Nuclear Weapons

Putin reminds everyone that Ukraine joining NATO could lead to nuclear war

By Sarah Starkey | Nuclear Risk

Salzburg, Austria. Credit: Jorge Franganillo. Accessed via Wikipedia. CC BY 2.0.

Austria escaped crisis by declaring neutrality. Ukraine could follow that lead.

By Thomas Shea, Kateryna Pavlova | Nuclear Risk, Nuclear Weapons