Light impacts the ticking of our internal clock — it tells our brain to be awake, while darkness signals that it’s time to sleep. That’s why screen time before bed can interfere with your sleep.

21 behind us, and Daylight Saving Time is ahead of us. Within most regions of the U.S., clocks are adjusted one hour ahead during summer months and then adjusted back an hour during the winter months.

The first new Seiko watches we covered in March were five classically styled Presage Classic models. Three of them are the SPB463, SPB465, and SPB467, which are nice three-handers that have the ...

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. Exposure to light is crucial for our ...

When you purchase through links on our site, we may earn an affiliate commission. Utter the words ‘alarm clock’ to anyone born in this century, and they may look at you in undisguised ...

Copyright 2025 The Associated Press. All Rights Reserved. Los Angeles Clippers guard John Wall dribbles during an NBA basketball game against the Denver Nuggets ...

Five-time NBA All-Star John Wall has not appeared in a game since January 13, 2023. That game was the last of his brief stint with the LA Clippers, as Wall suffered an abdominal strain that did ...

Research teams have innovated in nuclear clock technology by creating thin thorium tetrafluoride films, enhancing the clocks’ precision and reducing their radioactivity. This advancement promises ...

Seiko’s modern Astron line still represents the pinnacle of the brand’s neverending quest for greater accuracy in watchmaking. Today’s Astron models are the most accurate watches the brand makes ...

The best TV wall mounts can elevate your home theater, giving you that cinematic huge-screen-floating-on-the-wall feeling. You'll need one that you can trust will hold up that big-sized TV – or ...