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

On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth ...

On three days this summer (July 9, July 22, and August 5), the Earth will complete its daily spin a little faster than usual. So fast, in fact, that each day will be about a millisecond and a half ...

Let's say we want to build a model of the sun and Earth alone. Earth has a radius of about 6,371 kilometers (3,959 miles), but let's represent this with a marble 1 centimeter in diameter.

CAPE CANAVERAL, Fla. (AP) — The asteroid that once had a small chance of striking Earth and now might slam into the moon resembles a spinning hockey puck, scientists said Tuesday.