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Gorbachev

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

George H.W. Bush and Mikhail Gorbachev sign the Strategic Arms Reduction Treaty (START) in 1991.

George H.W. Bush worked toward a soft nuclear landing for the dissolving Soviet Union

By Siegfried S. Hecker | Nuclear Risk, Nuclear Weapons

Former US President George H.W. Bush with former Soviet leader Mikhail Gorbachev. Credit: National Archives and Records Administration

George H.W. Bush’s Legacy: Exit from “Tension City”

By Matt Field | Analysis, Doomsday Clock, What We’re Reading