Ukraine

two men in front of destroyed building

Cluster bombs can harm Ukrainians long after the shelling has stopped

By Jessica McKenzie | Climate Change, Nuclear Risk

VIDEO: Ukraine invasion intensifies as world watches

By Thomas Gaulkin | Multimedia, Nuclear Risk

Bulletin statement on Russia’s invasion of Ukraine

By Rachel Bronson | What’s New at the Bulletin

Russia launches invasion of Ukraine - Putin's troops 'seize control' of Chernobyl nuclear disaster site. Source: Sky News. https://news.sky.com/story/russia-launches-invasion-of-ukraine-forces-trying-to-seize-site-of-chernobyl-nuclear-disaster-12550026

Russia’s invasion of Ukraine invalidates key international relations assumptions

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

KIEV, UKRAINE, SPAIN - FEBRUARY 26: Firefighters try to extinguish a fire from a bombed civilian building in a residential area on February 26, 2022, in Kiev, Ukraine. A missile has hit this residential building in the capital. Several explosions have rocked Ukraine's capital, Kiev, in the early hours of Saturday morning, and clashes are taking place in the Beresteiska area and at a thermal power station in Troieschyna. (Photo By Diego Herrera/Europa Press via Getty Images)

Ukraine update: Ukrainian forces continue stiff resistance; Putin raises nuclear alert status; Ukrainian and Russian delegations to enter talks

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

A research lab in Kyiv.

US official: Russian invasion of Ukraine risks release of dangerous pathogens

By Matt Field | Biosecurity

TV-watching Russians may be “dangerously unaware” of what Americans think

By Dawn Stover | Nuclear Risk

New sarcophagus, Chernobyl power plant. Credit: Timon91. Accessed via Flickr. CC BY-NC-SA 2.0.

Russian forces now control Chernobyl, inviting speculation and uncertainty

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

The history of NATO enlargement

Ukraine and the post-Cold War world

By Hugh Gusterson | Nuclear Risk, Nuclear Weapons

VIDEO: What Russia’s invasion of Ukraine looks like

By Thomas Gaulkin | Multimedia, Special Topics

A picture of Putin.

Europe’s ‘darkest hour,’ war in a radioactive zone, and fleeing citizens: Putin invades Ukraine

By Matt Field | Analysis

The pathways of inadvertent escalation: Is a NATO-Russia war (now) possible?

By Ulrich Kühn | Nuclear Risk, Nuclear Weapons