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.

In a rare and unprecedented move, scientists and world timekeepers are considering reducing one second from Coordinated Universal Time (UTC) as Earth's rotation speeds up.

Here's what to know about why Earth's rotation is speeding up, and why it will shorten those three days this summer. Is Earth's rotation speeding up?

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

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

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

The shortest day of your life may come as soon as July 22 thanks to the Earth mysteriously speeding up. Now, NASA researchers may know why it's happening.

The Earth is predicted to make its fastest rotations on July 9, July 10, July 22 and August 5, according to a Time and Date article.

Here's what to know about why Earth's rotation is speeding up, and how it is shortening three days this summer. Is Earth's rotation speeding up?

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 ...