A winter wonderland calls to mind piles of fluffy, glistening snow. But to reach the ground, snowflakes are swept into the turbulent atmosphere, swirling through the air instead of plummeting directly ...

In the skies high above, a solitary snowflake is forming. Seeded by a speck of debris—dust, salt, a bacterium carried aloft—the tiny, delicate crystal grows and grows, with ever-more water depositing ...

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 ...