When students first learn how fast the Earth moves, the reaction is usually the same. If the planet is spinning at about 1,000 miles per hour and racing around the Sun at nearly 67,000 miles per hour, ...

Every year in early January, Earth reaches the closest point in its orbit to the Sun, a moment astronomers call perihelion. We are slightly nearer to our star and receiving more solar energy than we ...

At the start of the year, Earth will quietly reach a milestone in its orbit around the sun. Known as perihelion, this is the moment when our planet is closer to the sun than at any other point in the ...

We know it takes 3651/4 days to make one revolution around the sun. We call that a year. It's a long ways to go, especially when you consider that our orbit is oval-shaped. The speed may astound you.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...