If you haven’t accomplished as much this summer as you had hoped to, you can blame forces far beyond your control: a few of these dog days, by one measure, are among the shortest you’ve ever lived ...

Earth’s rotation is no longer matching the tidy 24-hour day that our technology assumes. Since 2020, each day has been ...

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, lasting 1.36 ...

What happens if Earth stops rotating?Etan MeyerBoca Raton, FL I will assume you're referring to what would happen if Earth stopped rotating all at once, without any gradual reduction in velocity. In ...

The Earth spins on its axis once every 24 hours, right? Actually, no. The length of each day varies widely by a few milliseconds. According to the International Earth Rotation and Reference Systems ...

The rotation of the Earth's inner core may be reversing, scientists have found in a study that sheds new light on geological processes occurring deep within our planet. The results of the research, ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. After a few years of speeding up, our planet now appears to ...

The time it takes for the sun to completely rotate depends where on the sun you are measuring.