Doomsday Clock 2025: 89 Seconds to Midnight (Now 85 in 2026)
Latest update: The Doomsday Clock has since moved to 85 seconds to midnight in February 2026 — the new record. Read the 2026 update →
In January 2025, the Bulletin of the Atomic Scientists moved the Doomsday Clock to 89 seconds to midnight — the closest it had ever been at the time. This article covers what caused the 2025 change and what it means in context of the 2026 advance.
Why the Clock Moved to 89 Seconds in 2025
Escalating nuclear risks, the ongoing Russia-Ukraine war, climate crisis, and AI-related threats drove the decision. The one-second move from 90 to 89 was deliberate — a signal that conditions had worsened, but not yet collapsed.
What Happened Since: The 2026 Update
In February 2026, the Bulletin moved the clock forward by 4 seconds to 85 seconds to midnight — the largest single advance in the seconds era. Full 2026 analysis.