Earth will complete a full rotation in slightly less time than usual on Tuesday, July 22, making it one of the shortest days ever recorded. The difference will be just 1.34 milliseconds less than the ...

Earth’s rotation has been slowing over time, but not uniformly. Instead, it decelerates in a staircase pattern. At some points, it slows a lot within a short time. Then its pace remains almost ...

Earth Hour - the world's largest environmental movement - is returning for its 18th year and aims to create the biggest hour for Earth yet. On 23 March Earth Hour will focus on uniting people around ...