The planet Mercury could have a layer of diamonds up to 18 kilometers, or 11 miles, thick, tucked below is surface, scientists say. ... high-temperature environment. At this time, ...

Mercury is the smallest planet in the Solar System and also the closest planet to the Sun. Mercury orbits the Sun at an ...

To say Mercury is extreme is an understatement— it’s hot enough to melt lead, after all. The innermost planet of the solar system is only about 58 million km. (36 million miles) from the Sun, with an ...

Mercury moves super fast around the Sun, finishing its year in just 88 Earth days. The planet has crazy temperature swings, going from super hot to super cold. Even though it’s near the Sun, Mercury ...