SAN FRANCISCO, CA -- How do raindrops form? It's a simple question, but the answer is far from elementary. Tiny water droplets somehow merge to become full-sized raindrops, but the details remain a ...

The pitter-patter of raindrops on your umbrella is caused by raindrops of all different sizes, and now physicists have a new explanation for how those raindrops form. A pair of researchers used a high ...

A: The typical speed of a falling raindrop depends on the size of the drop. Gravity pulls everything downward. As an object falls, it experiences a frictional drag that counters the downward force of ...

How do raindrops form? It’s a simple question, but the answer is far from elementary. Tiny water droplets somehow merge to become full-sized raindrops, but the details remain a mystery. Now, ...