INDIANAPOLIS -- It's known nationwide for rolling back prices. Now Wal-Mart is rolling back something else: its hours. At select locations in markets across the United States, the nation's largest ...

Armies started using the 24-hour method of timekeeping as standard military time because, much like police, fire, and medical departments, every branch of the armed services is in continuous operation ...

The iconic video art piece “The Clock” is being shown at MoMA for the first time in 12 years – and a few lucky visitors will be able to spend a night at the museum on Dec. 21 to view the 24-hour ...

Here’s what you’ll learn when you read this story: Our biological clock, or circadian rhythm, is immensely important to our health, and scientists are now unpacking the process’s secrets at the ...