A new study indicates that Mercury's core-mantle boundary (CMB) may possess a diamond layer that extends up to 18 kilometers ...

Mercury, the smallest and innermost planet in our solar system, may be home to a dazzling secret hidden beneath its scorched ...

First identified in 1967, lonsdaleite is the hardest naturally-occuring mineral ever discovered—yes, it’s even harder than diamonds. Lonsdaleite, however, has only been found in meteorites ...