Spectroscopic observations in the 1900s gave the first clues about Venus's rotation.

Cone's acknowledged uncertainty adds to concerns about the Yankees' starting rotation.

The Yankees opened spring training with crucial questions about their starting rotation.

"The one nice thing about our rotation is we're fairly similar one through six," Phillips said.

Flaherty senses the same kind of calm about this year's fragile rotation.

His book was about the earth's rotation and the infinity of the universe.

Questions remain about the Yankees' rotation, but the bullpen may look the same for years to come.

Last night we talked about our rotation, and whatever our needs are, we're going to go to that guy.

You don't worry about the Earth's rotation when you play tennis or take a football penalty.

In recent years, the Braves seldom have been concerned about their starting rotation.