In the northern hemisphere, the vast majority of tornadoes (more than 95 percent) rotate counter-clockwise–the same spin as a low pressure system. At low levels, air spirals into a tornado in a large ...

Tornadoes do occur in the Southern Hemisphere, albeit at a greatly reduced frequency than in the Northern Hemisphere, primarily because it includes the U.S., which hosts about 75 percent of the ...

Venus rotates clockwise, opposite most planets, a phenomenon called retrograde rotation. A day on Venus is longer than its year, and the sun rises in the west. Scientists believe a collision or ...