Perspective: Washington and Moscow are sleepwalking into a new arms race—while AI speeds the march to a nuclear ...

Former US ambassador to Ukraine Steven Pifer explains that extending observation of New START's numerical limits for one year ...

Atomic clocks are the best timekeepers humanity's got these days, but scientists are working toward something even better: a ...

Time is almost up on the way we track each second of the day, with optical atomic clocks set to redefine the way the world ...

The “Doomsday Clock” on Tuesday moved to 85 seconds till midnight, bringing the world closer than ever to destruction on the ...

Atomic scientists set their "Doomsday Clock" on Tuesday closer than ever to midnight, citing aggressive behavior by nuclear ...

The Bulletin of the Atomic Scientists will determine if the "Doomsday Clock" needs to be adjusted at 10 a.m. ET on Jan. 27.

Alternative Time Standard To Be Calibrated By Growth Of Trees… San Francisco Firm Will Offer Novel Financial Instruments Temporally Indexed To Tree-Ring Data We can overcome dehumanization and ...

For many years, cesium atomic clocks have been reliably keeping time around the world. But the future belongs to even more accurate clocks: optical atomic clocks. In a few years' time, they could ...

Smaller version Illustration of a conventional atomic fountain clock (left) next to NPL’s miniature atomic fountain clock. (Courtesy: NPL) A miniature version of an atomic fountain clock has been ...

Unlike other atoms (left), ytterbium-173 (right) has a large nuclear spin and a strongly deformed nucleus whose strong fields interact with the electron shell. This turns forbidden quantum jumps into ...

(NEXSTAR) – If you’re tired of early sunsets and dark morning commutes, have no fear: There’s light on the horizon. Not only does the U.S. gain a massive amount of daylight through January, but we’re ...