Retrograde Motion is the motion in the opposite direction in which the action is a backward motion. In our religious it was clearly mentioned that the end of the world will not be established till the sun rises from the west. Scientist believes that the backward motion was applied on Mars, and will be applied to to all planets including the earth.
An article written by Joe Rao, who writes about astronomy for New York Times.
He mentioned in his article "All the planets exhibit retrograde motion at one time or another. Ancient astronomers were unable to come up with a satisfactory explanation for it. The motion is tricky."
Read more about the Article