If you haven’t accomplished as much this summer as you had hoped to, you can blame forces far beyond your control: a few of these dog days, by one measure, are among the shortest you’ve ever lived ...

Add Yahoo as a preferred source to see more of our stories on Google. The winter solstice, famously the shortest day of the year, is nearly three weeks behind us. So why is the sun rising later than ...

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 ...

Despite the winter solstice being the shortest day, the sun has been rising later in the weeks following it. This phenomenon is due to the Earth's elliptical orbit and axial tilt, which causes a ...