Two days this summer have been unusually short, with the shortest expected on Aug. 5, leading global timekeepers to consider adding a negative leap second.

It would actually take a great deal of effort to stay floating in the same spot in space while the planet moved beneath you, ...

The NASA TRACERS mission is set to launch on Wednesday atop a SpaceX Falcon 9 rocket after SpaceX postponed Tuesday's launch ...

This isn't the first time this sort of phenomenon has happened. The same thing occurred on July 9, and it's set to happen ...

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

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

Scientists predicted that Tuesday will be a fraction of a second shorter than normal as the Earth's rotation is moving faster ...

Earth has been spinning faster for the past few years — a trend that could lead the world’s timekeeping institutions to take ...

Our planet has been spinning a little faster than usual and this trend is expected to continue into early August. On July 9, it’s estimated that the day was about 1.3 to 1.6 milliseconds shorter, ...

It wouldn’t be summer without the stretched out days. The dawns break early and the dusks come late, affording more time for lazy beach trips and long barbecues under the slow curve of the sun.

On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth completed its rotation approximately 1.3 to 1.6 milliseconds faster than ...