Articles Tagged Arms Control

5 articles tagged “Arms Control”.

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President Obama and President Medvedev after the New START treaty signing in Prague in 2010

New START Treaty Expiration 2026: What Changes Now

New START treaty expiration 2026 ended verified U.S.-Russia limits. See what changes for warheads, inspections, and escalation risk now.

Mar 18, 2026Arms ControlNew Start

A Pershing II intermediate-range ballistic missile launches during a test in 1983 — the weapon whose European deployment convinced Soviet leadership that a NATO first strike was imminent

Able Archer 83: The 1983 Nuclear War Scare Explained

Able Archer 83 was a NATO drill in November 1983 that Moscow misread as a first strike, pushing Cold War tensions to their most dangerous point.

Mar 3, 2026HistoryNuclear Risk

Bulletin of the Atomic Scientists â€” the organization that sets the Doomsday Clock each year since 1947

Doomsday Clock History: Every Setting From 1947 to 2025

Doomsday Clock history year by year: from 7 minutes to midnight in 1947 to 89 seconds in 2025. Full timeline of every setting, what changed, and why it matters.

Mar 3, 2026Doomsday ClockHistory

The Trinity test fireball, photographed approximately 0.016 seconds after detonation on July 16, 1945, in the New Mexico desert â€” the first nuclear explosion in human history

Manhattan Project: How Oppenheimer Built the Atomic Bomb

The Manhattan Project built the first nuclear weapons from 1942 to 1945. Follow the path from Einstein's warning letter to Trinity and Hiroshima.

Mar 3, 2026HistoryNuclear Weapons

The mushroom cloud from the Tsar Bomba test on October 30, 1961, over Novaya Zemlya in the Soviet Arctic. The cloud rose to approximately 67 km (42 miles) altitude â€” well into the mesosphere

Tsar Bomba: The Biggest Nuclear Weapon Ever Tested

Tsar Bomba, tested by the Soviet Union on October 30, 1961, yielded about 57 megatons, becoming the most powerful man-made explosion ever recorded.