Jamie Carter is an award-winning reporter who covers the night sky. When is Mercury retrograde? It starts today, and if you believe astrologers, the days between August 5 and 27 will be full of ...

Opinions expressed by Forbes Contributors are their own. Eric Mack is a reporter covering science, sustainability and space. Has life seemed a little more chaotic than lately the past few weeks?

With the advent of modern astronomy, we've discovered that the ... compared to its orbit around the Sun (a phenomenon known as retrograde motion). On the other hand, Uranus not only rotates ...