For this amazing video, a star tracker was used to track the night sky while shooting a time-lapse, resulting in a fixed sky ...

I will assume you're referring to what would happen if Earth stopped rotating all at once, without any gradual reduction in velocity. In that event, most things on Earth would be almost immediately ...

Add Yahoo as a preferred source to see more of our stories on Google. You're unlikely to miss the 1.25 milliseconds that will make Aug. 5 one of the shortest days ever. Earth's rotation is randomly ...

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 shaved off the clock on ...

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 ...

Scientists believe the Earth is slowing down as the Moon speeds up, meaning a day is getting longer each century, a ...