Improvements in clocks are setting the stage for a redefinition of the second. This is an Inside Science story. (Inside Science) -- Earlier this year, in a nondescript lab at the National Institute of ...

Inside a laboratory nestled in the foothills of the Rocky Mountains, amid a labyrinth of lenses, mirrors, and other optical machinery bolted to a vibration-resistant table, an apparatus resembling a ...

The world’s most accurate clock now belongs to researchers at the National Institute of Standards and Technology (NIST). Its new optical atomic clock, built around a single trapped aluminum ion, can ...

There's a new record holder for the most accurate clock in the world. Researchers at the National Institute of Standards and Technology (NIST) have improved their atomic clock based on a trapped ...

Once again, most Americans will set their clocks forward by one hour this weekend, losing perhaps a bit of sleep but gaining more glorious sunlight in the evenings as the days warm into summer Credit: ...

Once again, most Americans had their clocks set forward by one hour this weekend, losing perhaps a bit of sleep but gaining more glorious sunlight in the evenings as the days warm into summer.Related ...