Quantum clocks, in particular, have pushed the boundaries by using the strange rules of quantum mechanics to achieve mind-boggling accuracy. However, there has always been a catch: the more precise ...

Cosmic clocks show that time passed more slowly in the ancient universe. Artist's concept of the universe's most distant quasar. ESO/M. Kornmesser. View 1 Image 1 / 1.

“The Clock,” the addictive film masterpiece by the Swiss artist Christian Marclay, has been showing continually at MOMA since November, and some of us have become transfixed Clockwatchers ...

When clocks reach 2 a.m. local time, they will go back one hour to 1 a.m. Many devices, such as phones and computers, will automatically change to standard time, but non-smart devices, such as ...

We have trillions of body clocks — a central one in the brain and others in each cell of our body. Here's how they work with light to control our health. When you purchase through links on our ...

Biological clocks are why cats are most active at dawn and dusk, and why flowers bloom at certain times of day. Circadian rhythms are also essential to health and well-being.

If this is enabled, you'll notice your Android phone's clock change to reflect the current time in your new location, such as when you step off the plane in a different time zone and your phone ...

Chicago engineer Jose Cardona says the idea for a clock wasn’t his alone, he was just the first to build one. Four years later, they can’t make them fast enough.

Doctors say the bigger problem is the clock change in the spring — going from standard time to daylight saving time. On March 9, 2025, clocks will “spring forward” an hour, ending the ...

In the first installment of her new column, Deesha Thosar examines the pitch clock, which most agree has made MLB better than it has been in decades. Some pitchers, however, are struggling to adapt.

Scientists think the timing of exercise might matter for performance — and for your overall health. Here's what to know about their latest findings.