Melting ice sheets and rising seas are redistributing enough mass across the planet to measurably slow Earth’s rotation, stretching the length of each day at a rate not seen in 3.6 million years. A ...

Looking out to the future, we see a gradual but also very important shift occurring right under our feet; the Earth's own ...

The Three Gorges Dam in China moves so much water around that NASA found it actually changes the rotation speed of the Earth ...

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.

Did you know Earth's days are getting longer? A new study links this unprecedented slowdown in our planet's rotation to ...

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 ...

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 ...

Planet Earth is spinning a little faster today — resulting in one of the shortest days of the year. But the change will be so minuscule you won’t even notice. We’re talking even less time than the ...

WASHINGTON — Wednesday will be slightly shorter than usual, but you probably won't notice the difference even if you're watching the clock closely. Earth is expected to complete a full rotation on ...