The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Ukraine

Five reasons that Russia’s nuclear exports will continue, despite sanctions and the Ukraine invasion. But for how long?

By Marina Lorenzini, Francesca Giovannini | Nuclear Energy

A launch of the Russian Iskander-M, which can carry a tactical nuclear warhead, at the Kapustin Yar proving ground in March 2018. Photo credit: the websites (mil.ru, минобороны.рф) of the Ministry of Defence of the Russian Federation. Licensed under the Creative Commons Attribution 4.0.

Potential US responses to the Russian use of non-strategic nuclear weapons in Ukraine

By Jeffrey Edmonds | Nuclear Risk, Nuclear Weapons

Extraterrestial Highway. Credit: Rachel. Accessed via Pixabay. Pixabay License. Free for commercial use.

Survey: Americans love conspiracy theories, and that’s dangerous for everyone

By Matthew A. Baum, Katherine Ognyanova | Biosecurity, Disruptive Technologies, Nuclear Risk, Nuclear Weapons

The A1 Verse: Victory Day

By Thomas Gaulkin | Special Topics

Russian President Vladimir Putin spoke at the military parade marking the end of World War II. May 9, 2022. Red Square, Moscow. Credit: Website of the President of Russia. CC BY 4.0.

On Victory Day, Putin points fingers but doesn’t escalate war

By Susan D’Agostino | Nuclear Risk, Nuclear Weapons

Ukrainian refugees from 2022, crossing into Poland. Credit: Міністерство внутрішніх справ України. Accessed via Wikimedia Commons. CC BY 4.0.

How to host a refugee, spot fake war images, say “welcome” in Ukrainian, and more

By Susan D’Agostino | Nuclear Risk, Nuclear Weapons

Illia Ponomarenko, former defense reporter for the Kyiv Independent.

Illia Ponomarenko: Ukraine’s most-followed war journalist is a “dude” from Donbas

By Susan D’Agostino | Nuclear Risk, Nuclear Weapons

An artist's rendition of Russian President Vladimir Putin's nuclear posture. Photo credit: kremlin.ru, changes made, CC BY 3.0.

Will Putin go nuclear? A timeline of expert comments

By Susan D’Agostino | Nuclear Risk, Nuclear Weapons

President Slobodan Milosevic of the Federal Republic of Yugoslavia, President Alija Izetbegovic of the Republic of Bosnia and Herzegovina, and President Franjo Tudjman of the Republic of Croatia initial the Dayton Peace Accords in December 1995. Photo Credit: US Air Force/Staff Sgt. Brian Schlumbohm via Wikimedia Commons

The United States has supported successful mediation in 11 vicious conflicts since 1990: Could Ukraine make it an even dozen?

By Stephen R. Weissman | Nuclear Risk

Alley of abandoned villages - 162 plaques with the names of permanently evacuated settlements during 1986-1991 after the Chernobyl accident. Credit: Margarita Kalinina-Pohl (2018).

Chernobyl is still changing: Four enduring stories and a recent one

By Susan D’Agostino | Nuclear Energy, Nuclear Risk

Siegfried Hecker (second from right) visits the secret Russian nuclear city of Sarov in February 1992. Credit: screen grab from Stanford University "Doomed to Cooperate" video, available on YouTube at: https://www.youtube.com/watch?v=81ZpFLO4hmE&t=1s

Siegfried Hecker: Putin has destroyed the world nuclear order. How should the democracies respond?

By John Mecklin | Nuclear Energy, Nuclear Risk, Nuclear Weapons

Russian Foreign Minister Sergey Lavrov.

In search of a new world order, Russia and China team up to push Ukraine propaganda

By Cynthia Hooper | Disruptive Technologies