Although the Earth completes one full rotation in 86,400 seconds on average, that spin fluctuates by a millisecond or two every day. Before 2020, the Earth never experienced a day shorter than the ...

Can a movement many feet below our feet quietly change the Earth’s rotation? Over 3,000 miles below the ground, the Earth’s inner solid core a ball of iron and nickel whose temperature is as hot as ...

Earth is set to experience one of its shortest days ever recorded as the planet's rotation continues its unexpected acceleration. Following Wednesday's notably brief day, which clocked in at 1.3 ...

A day on Uranus just got slightly longer, thanks to more accurate measurements of its rotation period that should help scientists plan missions to probe the gas giant. Figuring out the rotation period ...

The Earth will be between the planet and the Sun this evening - a configuration known as opposition. During this point, Saturn is at its closest point to Earth and directly opposite the Sun. Due to ...