This summer has seen the shortest days in Earth’s recorded history Scientists break down the reasons why days are getting shorter—and the mystery they're still trying to solve about Earth's core.

(CNN) — Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers. July 10 was the shortest day of the year so far ...

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

If today feels like it's flying by, you can blame it on our spinning planet: A group of scientists tracking Earth's rotation predicts that the day will be a fraction of a second shorter than ...

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers.

Since 2020, Earth has continued breaking its speed records. The shortest day ever recorded was on July 5, 2024, when Earth’s rotation was completed 1.66 milliseconds faster than usual.

July 22 will not be a normal 24-hour day. Instead, Earth's rotation will be completed just shy of those 24 hours. Find out why ...

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

Is Earth’s rotation speeding up? Why today, July 22, may be another of 2025's shortest days Experts say Tuesday, July 22, could end up being the shortest day of all of 2025.

July 22 is one of the shortest days in history due to Earth spinning faster. The shortest day in history is coming up next month.

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers.