Doomsday Clock: References & Edit History
Article Contributors
Primary Contributors
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René Ostberg
René Ostberg is an associate editor at Encyclopaedia Britannica.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Modified link of Web site: CNN - Doomsday Clock 2025: Scientists set new time. | Sep 05, 2026 | ||
| Updated the article's Top Questions. | Jan 29, 2026 | ||
| Two photos added. | Jan 28, 2026 | ||
| Noted that in January 2026 that the clock was set to 85 seconds before midnight. | Jan 27, 2026 | ||
| Add new Web site: ABC News - Doomsday Clock moves closer to midnight than ever before. | Dec 19, 2025 | ||
| Add new Web site: Nature - Progress on nuclear clocks shows the benefits of escaping from scientific silos. | Nov 08, 2025 | ||
| Add new Web site: University of Navarra - It is 90 seconds to midnight in the Doomsday Clock. | Sep 13, 2025 | ||
| Add new Web site: CBC Science - 'Doomsday Clock' moves to 90 seconds to midnight amid fear of nuclear war and climate change. | Aug 01, 2025 | ||
| Add new Web site: Al Jazeera - Symbolic Doomsday Clock moves closer to midnight amid catastrophic risks. | Jun 06, 2025 | ||
| Add new Web site: CNN - Doomsday Clock 2025: Scientists set new time. | Apr 24, 2025 | ||
| Noted that the Bulletin of the Atomic Scientists reset the clock to 89 seconds before midnight in 2025. | Jan 29, 2025 | ||
| Add new Web site: NPR - The Doomsday Clock moves to 90 seconds to midnight, signaling more peril than ever. | Jan 11, 2025 | ||
| Add new Web site: BBC - How to read the Doomsday Clock. | Jun 28, 2024 | ||
| Added illustration showing the range of Doomsday Clock settings. | Jan 24, 2024 | ||
| New article added. | Jun 16, 2023 |
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