There are hundreds of atomic clocks in orbit right now, perched on satellites all over Earth. We depend on them for GPS location, Internet timing, stock trading ... and space navigation?Today on ...

The new clock is so reliable that it would be off by less than a second if it had started running 100 million years ago, researchers say.

The Doomsday Clock is a metaphor for how close the world is to being inhabitable for humanity. Scientists just set the new time for 2025.

They may also set themselves according to atomic clocks. They even adjust when we travel into different time zones if they are taken out of airplane mode upon arrival.

The Doomsday clock was set at 89 seconds to midnight on Tuesday morning, putting it the closest the world has ever been to what scientists deem "global catastrophe." The decades-old international ...

Atomic scientists moved their "Doomsday Clock" closer to midnight than ever before, citing Russian nuclear threats amid its invasion of Ukraine and other factors underlying the risks of global ...

The Bulletin of Atomic Scientists announced Tuesday that the "Doomsday Clock" is now set to 89 seconds to midnight.

WASHINGTON, D.C. – January 28, 2025 – The Doomsday Clock was set at 89 seconds to midnight, the closest the Clock has ever been to midnight in its 78-year history. The 2025 Clock time signals that the ...

Currently, atomic clocks, especially atomic optical clocks, set the standard for accuracy. However, the 229 Th nuclear optical clock could potentially outperform them all.