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.

Nacreous clouds, or ice polar stratospheric clouds, are a rare type of cloud that forms in very cold conditions and at high altitudes. They are known for their iridescent colors, which are created ...

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 ...

Download the experiment instructions HERE! Crystals form through a process called crystallization which is when a liquid solidifies into a highly structured solid. While crystals can form when liquid ...

Looking for a unique gift or ornament for the holiday season? Follow along with ABC11 Science Club with BASF and discover how to use a few household items to create a beautiful crystal snowflake!

Gabriela Farfan, the Smithsonian's curator of gems and minerals, answers the internet's burning questions about gemstones. Are all minerals crystals? How are diamonds cut? How do geodes form? Is the ...

Add Yahoo as a preferred source to see more of our stories on Google. Some parts of the U.S. see well over 100 inches (2.5 meters) of snow per year. Edoardo Frola/Moment Open via Getty Images The ...