Star trails over field of wild red poppies on the slopes of Mount Damavand volcano. By utilizing a long exposure, the circular star trails in the sky display Earth's rotation. Photograph by Babak ...

Aren’t the summer days supposed to be longer and the winter days shorter? Since when have things gone in reverse for the summertime? Since now, maybe? Starting today? Okay, here’s what’s going on.

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Earth takes 24 hours to complete a full rotation in a standard day, equal to exactly 86,400 seconds. July 9 was the first of three days in which a millisecond or more could be shaved off the clock on ...

Earth’s Rotation Day 2026, observed on January 8, highlights how Earth’s constant rotation shapes day and night, climate, ...

As the polar ice caps melt, the Earth actually slows down, California scientists say. Less ice at the Earth's poles and more water weight spread around to other places are leading to the planet ...

On those three days, just over a millisecond is expected to be shaved off the standard 24-hour day. Of course, you're unlikely to notice such a miniscule difference in your day. But scientists who ...

For the first time, researchers at ETH Zurich have been able to fully explain the various causes of long-term polar motion in the most comprehensive modeling to date, using AI methods. Their model and ...

Brazil's Lula squares up to Trump, measles cases hit a 33-year high, and more Length: Long Speed: 1.0x If you’re the kind of person who gets a lot done, you’re grateful for every one of the 86,400 ...

If you have ever heard that Earth will soon start having 25-hour days, it might be right. The idea itself is not wrong. Scientists do expect Earth’s rotation to keep slowing. What often gets lost is ...

While Earth spins in the same direction as the sun, that's not the case for every planet in the solar system. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

For more than a century, engineers have chased new ways to turn the planet’s natural motions into usable power, from tides to ...