Scientifically speaking, the term “crystal” refers to any solid that has an ordered chemical structure. This means that its parts are arranged in a precisely ordered pattern, like bricks in a wall.

The science pros at TKOR explain how salt crystals form from water through the process of boiling the ocean. Shoppers alarmed by what's happening at malls: "Living in hell" Rescuers respond to deadly ...

Crystals—from sugar and table salt to snowflakes and diamonds—don’t always grow in a straightforward way. New York University researchers have captured this journey from amorphous blob to orderly ...

In exploring how crystals form, the researchers also came across an unusual, rod-shaped crystal that hadn’t been identified before, naming it “Zangenite” for the NYU graduate student who discovered it ...