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

Ukraine

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

By Mariana Budjeryn | Nuclear Weapons, Opinion

President Vladimir Putin talks with the governor of Kursk on the situation regarding the Ukrainian invasion of the south of the oblast. Kremlin.ru, CC BY 4.0, via Wikimedia Commons.

The new red line: Why a prolonged conflict in Ukraine makes a nuclear attack more likely

By Phillips P. O’Brien | Analysis, Nuclear Risk

Question for the candidates: What will you do if Iran gets the bomb?

By Henry Sokolski | Nuclear Weapons

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

Despite the risks, Russia continues to use Ukraine’s Zaporizhzhia nuclear plant as a source of leverage

By Darya Dolzikova | Nuclear Energy, Nuclear Risk

UN Security Council members abstaining on Russian resolution in November 2022

False Russian claims hijacked the biological weapons treaty. Here’s how to reclaim it

By Eva Siegmann | Biosecurity, Opinion, Voices of Tomorrow

Israel to perform at Eurovision. Expect protests, machine guns, and drones

By Erik English | Analysis

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

Putin threatens again: An updated timeline on potential nuclear escalation of the Russia-Ukraine war

By Susan D’Agostino, François Diaz-Maurin | Nuclear Risk, Nuclear Weapons

The nuclear year in review: A renewed interest in nuclear weapons—for and against

By François Diaz-Maurin | Nuclear Energy, Nuclear Risk, Nuclear Weapons

The silhouette of a drone flying over the mountains line at sunset

Threat in the sky: How cheap drones are changing warfare

By Sara Goudarzi | Disruptive Technologies

This screen shot from a US Defense Department video clip shows a Russian Su-27 fighter jet flying near an American Reaper drone in March, over the Black Sea near Crimea, spraying what the Defense Department says is jet fuel.

Putin’s “bluff”: a cautionary note about underestimating the possibility of nuclear escalation in Ukraine

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

Over-polluting and under-reporting: A look inside Russia’s dirty fossil fuel industry

By Bryson Wiese, Jake Garza Seymour | Climate Change, Voices of Tomorrow