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

Ukraine

young climate activists at cop25

Russia seeks to revoke citizenship from anti-war climate activist

By Andrew Roth | Climate Change

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

By Thomas Gaulkin | Multimedia, Special Topics

A US Marine launches a lethal miniature aerial missile system during an exercise at Marine Corps Base Camp Pendleton, Calif. on Sept. 2, 2020. Credit: Jennessa Davey, US Marine Corps.

Phoenix Ghosts are part drones, part missiles. How does that change combat?

By Dan Gettinger | Disruptive Technologies, Technology and Security

US President Bill Clinton, Russian President Boris, Yeltsin, and Ukrainian President Leonid Kravchuk sign the Trilateral Agreement on transferring nuclear weapons from Ukraine to Russia and associated matters in Moscow, January 1994. Photo credit: Joseph P. Harahan, historian of the Defense Threat Reduction Agency, and the Clinton Presidential Library.

Why Putin’s betrayal of Ukraine could trigger nuclear proliferation

By Steven Pifer | Nuclear Weapons, Opinion

The A1 Verse: The story of horrors

By Thomas Gaulkin | Special Topics

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