Scientific clockmakers have crafted a prototype of a nuclear clock, hinting at future possibilities for using atomic nuclei to perform precise measurements of time and make new tests of fundamental ...

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

Today’s most advanced clocks keep time with an incredibly precise rhythm. But a new experiment suggests that clocks’ precision comes at a price: entropy. Entropy, or disorder, is created each time a ...

This particular clock is technically an ion clock, which is different from the more common atomic clocks that are based on measuring the resonant frequencies of a single cesium atom to regulate time ...

Sign up for CNN’s Life, But Greener newsletter. Our limited newsletter series guides you on how to minimize your personal role in the climate crisis — and reduce ...

This year marks the clock's 75th anniversary. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A hypothetical timepiece ticks ever-closer to ...

WASHINGTON — Atomic scientists on Tuesday kept their “Doomsday Clock” set as close to midnight as ever before, citing Russia’s actions on nuclear weapons amid its invasion of Ukraine, nuclear-armed ...

Is it too early on a Tuesday to have an existential crisis? The Doomsday Clock doesn’t believe so. On Tuesday morning, the Doomsday Clock was set at 89 seconds to midnight, which is the closest it has ...

If midnight is a metaphor for the end of the world, we’re just ninety seconds away, according to the Bulletin of the Atomic Scientists. The Bulletin of the Atomic Scientists’ Science and Security ...

The hypothetical clock's hands mark our nearness to annihilation. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Doomsday is as close today as ...

The scientists predicting the probability of a worldwide catastrophe have announced the Doomsday Clock has moved from 90 seconds-to-midnight to 89 seconds. The change means the clock is the closest it ...