July 22 will be the second-shortest day of the year, as Earth completes a full rotation in less time than usual.

Tuesday, July 22, is expected to be the second of three days in 2025 where more than a millisecond could be shaved off the ...

Ample sunshine, ice cream, and afternoons at the beach might leave you wishing that summer would never end. Unfortunately, ...

Because of the moon’s position, Earth is rotating just over a millisecond faster than usual on a few days this summer ...

The earth doesn't rotate exactly on schedule. Scientists believe that today is going to be around a millisecond short of a ...

Wonder why babies nap on some days but not on others? Or why older people wake up earlier? Mathematical modelling of sleep regulation provides some surprising answers to these and other questions, ...