MOLINE, Ill. — Snowflakes are frozen water crystals that can never be an exact replica of another. However, snowflakes can be classified into these broader types: dendrites, plates, columns, needles, ...

A snowflake is a small weather feature that can pack a big punch. Many are made up of just one single ice crystal while some, more elaborate snowflakes are comprised of as many as 200 ice crystals ...

Kenneth Libbrecht is that rare person who, in the middle of winter, gleefully leaves Southern California for a place like Fairbanks, Alaska, where wintertime temperatures rarely rise above freezing.

Alexandria Johnson receives funding from NASA. The thought of snow can conjure up images of powdery slopes, days out of school or hours of shoveling. For millions of people, it’s an inevitable part of ...