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 ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Earth is illuminated against the blackness of space in this ...

Every second, the Earth spins at an incredible speed, completing a full rotation in just 24 hours. While this may seem ordinary, the simple act of our planet turning on its axis is responsible for the ...

Earth’s Rotation Day 2026: We see the sun rise and set every day, journeying from day to night and back again. All this seems so normal that we rarely stop to think about the real reason behind it.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The latest mid-July predictions from IERS suggest the ...

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 ...

Climate change may be making it harder to know exactly what time it is. The rapid melting of the ice sheets atop Greenland and Antarctica, as measured by satellite-based gravitational measurements, is ...

Meltwater from the polar ice caps, combined with the shifting spin of Earth's core, is messing with the Earth's rotation to the point that we might need to adjust for a "negative leap second." The ...

Dead satellites and drift-prone GPS coordinates aren't your phone's fault — they're side effects of something unprecedented happening to our planet. Climate change is slowing Earth's rotation at the ...