Thanks to a speed-up of Earth's rotation, the length of the astronomical day and the length of the clock day aren't quite ...

Although the Earth completes one full rotation in 86,400 seconds on average, that spin fluctuates by a millisecond or two every day. Before 2020, the Earth never experienced a day shorter than the ...

The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond during the long days of summer. By Jacey Fortin This article was updated ...

On October 6, we had a full moon that was referred to as the Hunter’s Moon or the Blood Moon. The many stages of the moon have always fascinated me. Perhaps this is because I spent many nights sitting ...

July 22 is reportedly one of the shortest days ever recorded. Before you get worried, the day will only be 1.34 milliseconds less than the standard 24 hours we’re used to, according to Space.com, so ...

Feel like Thursday was shorter? It might have been, but only by a millisecond. The Earth was predicted to complete its fastest rotations on July 9, July 10, July 22 and August 5, according to a Time ...

The weak spot, known as the South Atlantic Anomaly, was identified in the 19th century and expanded in recent years.