Aren’t the summer days supposed to be longer and the winter days shorter? Since when have things gone in reverse for the summertime? Since now, maybe? Starting today? Okay, here’s what’s going on.

Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers. July 10 was the shortest day of the year so far, lasting 1.36 ...

Two days this summer have been unusually short, with the shortest expected on Aug. 5, leading global timekeepers to consider adding a negative leap second. When you purchase through links on our site, ...

Add Yahoo as a preferred source to see more of our stories on Google. Star trails over field of wild red poppies on the slopes of Mount Damavand volcano. By utilizing a long exposure, the circular ...

Earth’s Rotation Day 2026, observed on January 8, highlights how Earth’s constant rotation shapes day and night, climate, weather, and life itself, celebrating science, discovery, and human curiosity.

For centuries, the length of an Earth day has stayed close to 24 hours. But in reality, Earth’s spin is not constant. It slightly speeds up or slows down due to natural and, increasingly, human-driven ...