"This kind of pink spinel is very unique to the moon," said lead study author Tabb Prissel, a planetary geologist at Brown. Pink spinel crystals studded a field of plagioclase minerals, called ...

A unique state park in the Texas Hill Country is a historical settlement where its earliest residents left their mark permanently in stone.

Heritage Plaza has been renovated, replacing the once-popular Texas pink granite that was once considered synonymous with stateliness. The new commercial real estate trend favors bright, airy spaces.

A mysterious new moon rock has revealed its secrets to scientists on Earth, who cooked up a copy of the unattainable pink crystals in a searing hot crucible.