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.

These are not the face tattoos your mother warned you about — but maybe she should have. Beauty chasers are suddenly shelling out hundreds of dollars for something called “semipermanent blush ...

Hummingbirds are the smallest species of birds in the world. Due to their small size, hummingbirds have to fight to survive. Many people can relate to this, which is why hummingbird tattoos are ...

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 ...

Getting a tattoo generally involves some pain, but the location and your personal tolerance will affect how much it hurts. Getting tattooed on an area with little fat, many nerve endings ...

Copyright 2025 The Associated Press. All Rights Reserved. Visitors of Pennsylvania’s Capitol are drawn to its priceless artwork, polished marble and intricate ...

hundreds of antique clocks that were part of its original design. The 273 working clocks include many that are integrated into fireplace mantels and other building features. They are not low ...

hundreds of antique clocks that were part of its original design. The 273 working clocks include many that are integrated into fireplace mantels and other building features. They are not low ...

Visitors to Pennsylvania ‘s Capitol are drawn to its priceless artwork, polished marble and intricate carvings, but hidden behind the doors of some of its most ornate offices and chambers are another ...

In our digital age, an antique clock in Columbia, S.C., has been keeping people on time for more than a century, thanks to a local man who cranks it by hand each week. NBC News' Gary Grumbach ...