September 30th has long been a date marked by remarkable events throughout history, crossing continents and centuries.Backing ...

The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test ...

Extending the New START nuclear arms control treaty by a year, even informally, would be a security and diplomatic win for ...

If you have Date & Time turned to “Set Automatically,’' which is how your device arrives from the store, Apple devices and alarms will automatically adjust and wake us at the new current time, ...

The current methods for attitude determination are Star Trackers, sun sensors, magnetometers, and gyroscopes. We would like ...

For all our telescopes and colliders, dark matter has remained an elusive ghost for the better part of a century. It ...

A clutch of 28 dinosaur eggs found in the Qinglongshan fossil reserve in central China is about 86 million years old, according to scientists who used an “atomic clock” method to date the samples.

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You may have seen an alert as a notification in Windows stating that your location has changed, causing a new time zone to be detected. To make it convenient for you, it asks you to set the time zone ...

Did you know that moving a clock one inch toward the ground would result in a slower tick compared to the same clock positioned higher up? Gravity doesn't just pull things; it also bends time.

At this point, atomic clocks are old news. They’ve been quietly keeping our world on schedule for decades now, and have been through several iterations with each generation gaining more accuracy. They ...

NIST physicist David Hume holds the newly modified ion trap for the aluminum ion clock. Credit: R. Jacobson/NIST Scientists at the National Institute of Standards and Technology (NIST) in the United ...