US deploys 50,000 troops to Persian Gulf; Trump pledges continued strikes without defined objectives
→ 44s
Doomsday Clock Countdown
44 Seconds to Midnight
Track the live nuclear threat level as the Iran-Israel conflict, US military strikes, and the growing risk of World War 3 push the Doomsday Clock closer to midnight than ever before.
00:00:44 to midnight
Model v0.2.0
Official Doomsday Clock vs. NukeClock Live
Bulletin of the Atomic Scientists
89s
as of 2025-01-28
NukeClock Live
44s
real-time estimate
The Iran nuclear crisis and escalating military conflict have pushed the clock 45 seconds closer to midnight beyond the official Bulletin of the Atomic Scientists setting.
Latest Analysis: Iran Nuclear Crisis & World War 3 Risk
In-depth reporting on the Iran-Israel military conflict, nuclear escalation scenarios, and what the current crisis means for global security.

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.
2001 AUMF Scope: What It Authorizes and What It Does Not
A document-first explainer of the 2001 AUMF text, its legal scope, and how it interacts with broader war powers law.
2026 Midterm Primary Calendar: The Next 90 Days
A source-based map of key U.S. primary dates in the next 90 days, with notes on runoff schedules and state-by-state variation.
After the 2002 Iraq AUMF Repeal: What Changed in Law
What Public Law 118-1 repealed, what it left untouched, and how to read claims about U.S. force authorities after 2023.

Ali Hosseini Khamenei: Biography, Power, and Nuclear Legacy
Biography of Iran's supreme leader, his power network, financial empire, nuclear strategy, and the succession crisis after his death in 2026.
Latest Situation Report
Daily structured briefings on the US-Iran conflict covering military operations, nuclear risk, and economic impact.
SitRep Day 4 — Blockade Holds, Diplomatic Vacuum Deepens
Day 4 SitRep: Hormuz remained blocked, command uncertainty deepened in Tehran, and markets stayed volatile amid stalled diplomacy.
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How the Iran Crisis Moved the Doomsday Clock
Each event below pushed the nuclear threat level closer to midnight. Track the escalation from diplomatic collapse to active military conflict between the US, Israel, and Iran.
Critical infrastructure targeted in coordinated cyber campaign
Read full coverage →Geneva nuclear negotiations collapse after US demands complete enrichment halt
Read full coverage →Operation Epic Fury / Roaring Lion: over 1,000 targets struck across 24 Iranian provinces
Read full coverage →US-Israeli strikes hit nuclear facilities at Fordow, Isfahan, and Natanz; damage extent unknown
Read full coverage →Supreme Leader Khamenei killed in US-Israeli airstrike; Iran nuclear command chain disrupted
Read full coverage →Iran closes Strait of Hormuz to commercial shipping; 20% of global oil supply disrupted
Read full coverage →Iran launches 174+ ballistic missiles and 541 drones at US bases across 8 countries; 3 US soldiers killed
Read full coverage →IAEA unable to access Iranian nuclear facilities; enriched uranium stockpile status unknown
Read full coverage →US deploys 50,000 troops to Persian Gulf; Trump pledges continued strikes without defined objectives
Read full coverage →Nuclear Threat Breakdown
How different threat categories contribute to the current World War 3 risk level and the doomsday clock countdown.
Armed Conflict
CRITICALUS-Iran military operations, missile exchanges, Strait of Hormuz closure
Nuclear Threat
CRITICALIran nuclear facilities struck, IAEA access suspended, enrichment status unknown
Diplomacy
ELEVATEDGeneva negotiations collapsed, no active diplomatic channels remain
Cyber Warfare
ELEVATEDCoordinated attacks targeting critical infrastructure systems
Active Conflicts & Nuclear Flashpoints
The Iran-Israel conflict and US military intervention are the primary drivers of the current nuclear threat escalation. Follow each topic for in-depth coverage of the crisis, including Iran nuclear developments, US defense policy, and the risk of wider regional war.
Nuclear History & Precedent Analysis
Historical nuclear crises and Cold War precedents that clarify today’s escalation risks, decision windows, and policy tradeoffs.
🇮🇷Iran & Nuclear Proliferation
Coverage of Iran's nuclear trajectory, US-Iran military escalation, and regional spillover risks, with source-backed updates tied to NukeClock changes.
🌍Middle East Conflict & Security
Tracking the 2026 Middle East security crisis across Gulf, Levant, and Red Sea theaters, including proxy activity, force posture, and escalation signals.
☢️Nuclear Weapons & Proliferation
Analysis of global arsenals, proliferation dynamics, and deterrence doctrine, with focus on how the 2026 Iran crisis reshaped nuclear risk calculations.
🛢️Oil, Energy & Economic Disruption
Coverage of oil supply disruption, shipping chokepoints, and macroeconomic shock linked to the Hormuz blockade and broader US-Iran conflict.
🇺🇸US Politics & Nuclear Policy
US domestic politics and national-security decisions shaping nuclear risk, from war-powers fights in Congress to escalation choices in Operation Epic Fury.
Nuclear Powers — Arsenal Rankings
Nine countries possess nuclear weapons. Compare nuclear arsenals, military power rankings, and defense budgets for every nuclear-armed state.
| # | Country | Warheads | Deployed | GFP Rank | Budget | NPT |
|---|---|---|---|---|---|---|
| 1 | 🇷🇺Russia | 5,580 | #2 | |||
| 2 | 🇺🇸United States | 5,044 | #1 | |||
| 3 | 🇨🇳China | 600 | #3 | |||
| 4 | 🇫🇷France | 290 | #6 | |||
| 5 | 🇬🇧United Kingdom | 225 | #8 | |||
| 6 | 🇮🇳India | 172 | #4 | |||
| 7 | 🇵🇰Pakistan | 170 | #14 | |||
| 8 | 🇮🇱Israel | 90 | #15 | |||
| 9 | 🇰🇵North Korea | 50 | #31 | |||
| 10 | 🇮🇷Iran | — | #17 |