Within these plumes are minerals called iron sulfides, which scientists believe could have helped trigger early chemical reactions that created life. These same minerals are also found in hot ...

But why does this mineral have the unusually regular shape? It all boils down to how its molecules are arranged in three ...

More than 4,000 naturally occurring minerals—inorganic solids that have a characteristic chemical composition and specific crystal structure—have been found on Earth. They are formed of simple ...