Clips of a three-year-old Lego clock video that I'd not seen before just resurfaced, and it's making the rounds across social media. Naturally, I went in search of the full video, but what I found ...

CHICAGO -- At the dawn of the nuclear age, scientists created the Doomsday Clock as a symbolic representation of how close humanity is to destroying the world. On Tuesday, nearly eight decades later, ...

Chinese scientists have engineered a clock so accurate it could lead to a redefinition of the second and an ultraprecise global time standard. The new optical clock is so accurate that it loses or ...