Editorial Policy & Sources

DoomsdayClock.net is an independent educational website and is not affiliated with the Bulletin of the Atomic Scientists.

Primary-source standard

The Bulletin is the authoritative source for the official setting, announcement date, and stated reasons. We verify those facts against the official Doomsday Clock page.

Updates and corrections

Modification dates change only after substantive editorial review. Factual corrections are applied across visible copy, metadata, structured data, and machine-readable files.

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