Add Yahoo as a preferred source to see more of our stories on Google. Earth is spinning faster this summer, leading astronomers to notice that some days have clocked in at slightly less than the ...

Something unusual is happening to our planet, and scientists are racing to understand why. For billions of years, Earth’s rotation has been gradually slowing down, mainly due to the Moon’s ...

Measurements of seismic waves over many years suggest the Earth's core is deformed and reshaped by conditions of extreme heat ...

The curious minds at What If investigate what would happen if Earth’s core suddenly stopped spinning, revealing the ...

Scientists announced Monday that Earth is rotating slightly faster than normal, resulting in what is expected to become the second-shortest day ever recorded since precise atomic timekeeping began.

A tiny shift in Earth’s spin could trigger a move timekeepers have never made before, and it might impact everything from satellites to global networks. The Earth is picking up speed, and it’s forcing ...

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 ...

Deep beneath our feet, far below the crust and mantle, Earth is quietly sending out a slow magnetic heartbeat. Every seven ...

(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 ...