The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond ...

Most people think a day on Earth is just the time it takes for the planet to make one full rotation on its axis, but that’s ...

When the moon is positioned farther from Earth's equator and closer to the poles, its pull on the planet becomes weaker. With ...

A Japanese car company enters the space race. The Earth spins faster Wednesday. The Wisconsin DNR issues an invasive species alert.

July 9 will be one of the shortest days ever, as Earth is spinning faster and scientists are still working to understand why.

The science behind why the Earth will spin just a little bit faster on July 9, July 22, and August 5, this year.

Earth’s rotational speed is changing, and we’re more than partly responsible. A gigantic dam, our extraction of groundwater, melting ice sheets and rising sea levels are among the human-linked ...

A USC professor has confirmed what many scientists already believed: Rotation of the solid iron ball at Earth's center is slowing.

A USC professor has confirmed what many scientists already believed: Rotation of the solid iron ball at Earth's center is slowing.

What If The Earth Abruptly Stopped Spinning? Let's stop the Earth from spinning and see what happens.

A new study adds evidence to the idea that Earth's inner core is slowing its spin, though still rotating in the same direction as the planet. KATERYNA KON / SCIENCE PHOTO LIBRARY via Getty Images ...

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. For the first time in history, world ...