"For the first time we can see the chemical cake while it's rising in the oven, instead of just the starting ingredients of ...

Titan, Saturn's largest moon and the second-largest in the solar ... How the atmosphere shapes these weather patterns, though, has been a mystery since the atmosphere itself was discovered.

From giant puffs billowing toward the sun to thin wisps slinking past the moon, clouds come in countless shapes and sizes. This makes them wonderful fodder for the imagination—at some point ...