Mechanical clocks first appeared in northern Italy in the 13th century, following earlier methods of timekeeping like ...

Time crystals are an oddity of quantum physics, but new calculations show that these bizarre materials could be useful for building very accurate clocks. All crystals are defined by repetition – ...

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 ...

The sun is setting later and the days are growing longer, a sign that that the clocks are about to spring forward an hour for the time change. Here's when and what to know about the start and end of ...

Add Yahoo as a preferred source to see more of our stories on Google. The Bulletin of the Atomic Scientists members, from left, Jon B. Wolfsthal, Asha M. George and Steve Fetter reveal the Doomsday ...

The 2026 Doomsday Clock is ticking closer to midnight, signaling humanity edging to the "closest it has ever been to catastrophe" according to the Atomic Scientists, and the human race destroying ...

You may have noticed more daylight and later sunsets in Iowa recently, signaling that daylight saving time will be here before you know it. Daylight saving time always starts on the second Sunday of ...

Sleep experts and a new survey show most Americans support ending seasonal clock changes. The call is for permanent standard time — not daylight saving time — because it better matches our biological ...

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, ...

Later sunsets and longer days are a sign that that the clocks will spring forward soon for the time change. Here's when, and what to know about daylight saving time 2026 start and end and whether we ...

Add Yahoo as a preferred source to see more of our stories on Google. Bitterly cold temperatures might be in the forecast, but don't worry, spring will be here before you know it. In March, millions ...

Later sunsets and longer days are a sign that that the clocks will spring forward soon for the time change. Here's when, and what to know about daylight saving time 2026 start and end and whether we ...