Bulletin of the Atomic Scientists

Join us for the 2026 Doomsday Clock Announcement

On January 27th, the Bulletin of the Atomic Scientists will reveal the 2026 Doomsday Clock time. The announcement will occur ...
Texarkana GazetteOpinion

EDITORIAL | Ticking ...: Nuclear scientists to reset Doomsday Clock this month

Since 1947 -- after the end of World War II and at the beginning of the Cold War -- the Science and Security Board of the ...
The Washington Post

NIST set its new atomic clock in motion, and it’s astoundingly precise

A new atomic clock is one of the world’s best timekeepers, researchers say — and after years of development, the “fountain”-style clock is now in use helping keep official U.S. time. Known as NIST-F4, ...
Hackaday

2025 One Hertz Challenge: Atomic Decay Clock Is Accurate But Not Precise

At this point, atomic clocks are old news. They’ve been quietly keeping our world on schedule for decades now, and have been through several iterations with each generation gaining more accuracy. They ...

Colorado Windstorm Causes 4.8 Microsecond Glitch in Official US Time

A destructive windstorm disrupted the power supply to more than a dozen atomic clocks that keep official time in the United States.
The New York Times

Some of the World’s Atomic Clocks Were Off Last Week (by 5-Millionths of a Second)

How some of the world’s most precise clocks missed a very small beat. By Mike Ives and Adeel Hassan Time appeared to skip a beat last week when some of the world’s most accurate clocks were affected ...