While DST was observed in some areas, the tradition became official in the U.S. when the Uniform Time Act of 1966 was passed.

Wondering if the clocks change this year? Here's when and what to know about daylight savings time 2026 start and end.

Research has revealed how bacteria rely on circadian clocks to control the spread of their multicellular colonies. The ...

Sunny spring evenings are almost here. The start of daylight saving time this weekend will usher in longer days and later sunsets for Missourians as we move into warmer months. Here's all there is to ...

Is daylight saving time close to becoming permanent year-round? For now, the answer is yes, the clocks and time changes are still happening in 2026. But this could eventually change. Some are ...

These radical new devices keep time using fluctuations in the energy states of an atom’s nucleus, rather than those of its ...

From the Wrigley Building’s clock tower to the clocks at the old Marshall Fields (now Macy’s), public clocks shaped Chicago.

The 2026 World Cup is set to kick-off on Thursday with Mexico opening the tournament against South Africa at the Azteca Stadium, with the events dominating the sporting landscape for the next month.

When a high-intensity laser interacts with plasma, the charged particles typically oscillate back and forth like waves on the ...

Two teams of physicists have made the world’s first nuclear clocks. These radical new devices use fluctuations in the energy ...

The Yankees right fielder is one of the greatest players of his generation. He’s also a father, son, and husband. The slugger takes stock of it all.