Discover which planet is the fastest in the solar system. Learn why Mercury moves at 47 km/s, has the shortest year, and ...

Mercury is the innermost and smallest of the eight major planets in our Solar System, orbiting closest to the Sun. Though only slightly larger than Earth’s Moon, Mercury endures some of the most ...

What do many baked goods and the planet Mercury have in common? They shrink as they cool. Evidence suggests that since it formed about 4.5 billion years ago, Mercury has continuously contracted as it ...

New research from North Carolina State University finds that major volcanic activity on the planet Mercury most likely ended about 3.5 billion years ago. hese findings add insight into the geological ...