The text details the history of the Bulletin of the Atomic Scientists’ Doomsday Clock, a symbolic clock illustrating humanity’s proximity to global catastrophe. Initially focused on nuclear risk, the Clock’s time has been adjusted annually based on escalating threats, now encompassing climate change and disruptive technologies. The provided excerpts chronicle significant historical events influencing the Clock’s position, from the dawn of the nuclear age to current geopolitical tensions. Accompanying the timeline are statements explaining the rationale behind each adjustment and exploring the Clock’s cultural impact. The current time, a mere 89 seconds to midnight, reflects the urgency of the situation and the need for immediate action.