Long ago, the Moon was much nearer Earth. Scientists believe a protoplanet collision created the Moon 4.5 billion years ago.

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to ...

However, he reassured that the effect is very gradual and is only detectable on average over years. 'If we fast–forward tens of billions of years into the future, eventually the Earth's rotation could ...

If you’re the kind of person who gets a lot done, you’re grateful for every one of the 86,400 seconds that make up a day. On July 9, however, as well as on July 22, and August 5, you won’t get your ...

Time and tide, as the ancient saying goes, wait for no one. But what is a tide? The word “tide” is a bit confusing; most people think of it as the ebb and flow of the ocean at the beach, caused by the ...

Polar ice melt driven by climate change is affecting Earth's rotation, according to new research. We may have to adjust timekeeping by "skipping" a second in 2029. A human-driven change in the Earth's ...

The autumn night sky in Ireland is an observer's treasure-trove and the first celestial event of the season arrives on ...

Though decades have passed since the Space Race took place, Earth’s moon remains the only place beyond our planet where humans have set foot. As the brightest and largest object in our night sky, the ...

(CNN) — 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 ...

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 ...

The summer is winding down and there might be even less of it this week. As the Earth spins faster this summer, the days are just slightly shorter. But those milliseconds are adding up. In July there ...