Sadly, my grandparents are long gone, and I’m afraid I don’t know what happened to those clocks. They disappeared sometime ...

New atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

The film explores the elusive concept of time, emphasizing the difficulty of defining it. It discusses various methods of measuring time, from simple clocks to advanced atomic clocks, and highlights ...

Daylight saving time starts this Sunday. The lost hour of sleep increases workplace accidents and lowers productivity. Six ...

Michigan, along with most of the U.S., sprang forward an hour on Sunday, the biannual Daylight Saving Time change. Readers do ...

A new study in Physical Review Letters has used atomic clocks to study relativistic effects in interacting quantum systems.

Daylight saving time (DST) is due to go into effect across most, but not all, of the United States and its territories on ...

Zand's 'Ingenious Clocks,' which the Houston Symphony debuts this weekend, salutes little-known 12th-century scholar ...

Covenant Clock Restorations, a family-owned business that’s been in operation since 1978, specializes in restoring and ...

UCLA physicists have developed a new thin film that uses far less of the rare thorium-229 while also being significantly less ...