A test using atomic clocks will watch superpositions ride Earth’s curved space-time and see if Einstein can play nice with ...

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and ...

Our planet has been rotating at its fastest since records began in 1973. Earth will complete a full rotation in slightly less ...

Scientists break down the reasons why days are getting shorter—and the mystery they're still trying to solve about Earth's ...

T omorrow, on July 22, the length of the day is expected to be 1.34 milliseconds shorter than usual. Though there are clear reasons for the increased rotational speed this summer, the cause of the ...