From stars to needles to amorphous globs, scientists are demystifying a snowflake’s complex construction, showing how factors such as temperature can influence their shape.

Extreme cold and calm conditions on Sayram Lake in northwestern China turned it into a surreal, frozen wonderland. Take a ...

such as tree branches, plants, wires, poles, etc.” So the next time you spot these large, dendritic ice crystal formations, know that the air that contained the water vapor that created the ...