By trapping huge amounts of water on land, big dams built by humans have slightly changed how Earth spins and where its poles ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (AP) — Earth’s changing spin is threatening ...

Earth's changing spin is threatening to toy with our sense of time, clocks and computerized society in an unprecedented way — but only for a second.Related video above — Daylight Saving Time: How did ...