The length of a day on Earth may not be as fixed as we once believed. For centuries, we’ve lived by the 24-hour cycle, but recent research reveals that the planet’s rotation is gradually slowing down, ...

Every year, millions of people worldwide turn off the lights for Earth Hour, but the movement can bring more positive effects than just saving electricity for 60 minutes. On Saturday, March 22, folks ...

The lights on the historic building at the Grand Place were switched off for one hour as part of the international "Earth Hour" campaign launched by the non-governmental organization WWF. Wiktor ...

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 ...

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 ...

A simple gesture to join a global environmental cause returns to Bermuda for its eighteenth year this weekend. Businesses and homes were asked to join the Earth Hour movement by switching off ...

A strange shift in Earth's rotation is making our days milliseconds shorter — and scientists are racing to understand why. The days are getting shorter and not just because summer is waning in the ...

The Earth is pretty good at keeping its pace. However, variations do happen. And on three separate days this summer—July 9, July 22, and August 5—the Earth will spin notably faster than usual. Of ...

The speed of Earth's rotation is about 1,000 miles per hour relative to its axis. Your exact speed of rotation due to Earth's spin depends on your latitude. The farther you are from the equator, the ...

Earlier this month, the Earth spun just a bit faster than usual on July 9 and is expected to do so again on July 22 and Aug. 5, according to the website TimeAndDate. Over a millisecond was reportedly ...