Related: 10 strange Mercury facts . The Sumerians also knew of Mercury at least 5,000 years ago. It was often associated with Nabu, the god of writing, ...

Mercury is a rather weird planet that constantly intrigues scientists. Learn more about the planet closest to the sun with these 10 interesting facts.

Mercury moves super fast around the Sun, finishing its year in just 88 Earth days. The planet has crazy temperature swings, ...

Our solar system's innermost planet is pretty weird. The dinky planet is approximately 3,030 miles (4,876 kilometers) in diameter, making it about as wide as the continental United States and only ...