Members of the Flat Earth Society claim to believe the Earth is flat despite scientists explaining how we know the Earth is ...

The Earth is round, and we know this from detailed measurements and geometric inferencing based off satellites with lasers. Earth is often described as a circle or an oval, but it is neither. As the ...

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, ...

Earth's rotation is randomly speeding up, and nobody is quite sure why. These speedups, which have occurred several times over the last few years, haven't had any effect on daily life, but they also ...