The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Watch the 2025 Doomsday Clock announcement on January 28

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For nearly 80 years, the Bulletin of the Atomic Scientists has been the voice of scientific responsibility, informing the public about existential threats. Today, we face critical issues in nuclear risk, climate change, and disruptive technologies, in areas such as bioscience and artificial intelligence. The iconic Doomsday Clock stands at 90 seconds to midnight, the closest it's ever been.

 

But there's hope. Your support directly powers our mission:

✓ Delivering cutting-edge analysis on global security threats

✓ Providing science-based policy recommendations to world leaders

✓ Reaching a young, international audience with vital pathbreaking analysis

Join us in creating a safer world

By donating, you're joining a global community working to address existential threats.

Your gift to our independent, nonprofit 501(c)(3) organization is tax-deductible.

 

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