Snowflakes, nature's tiny artworks, owe their six-sided symmetry to the hexagonal arrangement of water molecules in ice. As they fall through clouds, varying temperatures and humidity dictate their ...

With a camera-equipped microscope of his own making, Kenneth G. Libbrecht shoots some of the world’s most stunning photographs of snowflakes. Since October, four of the physicist’s images have adorned ...

Snowflakes have been puzzling mathematicians for about four centuries. Still, scientists have never been able to fully explain snowflake shapes. For example, is this true that their six-pointed ...