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 ...

Rainfall is one of the defining characteristics of our weather, with amounts varying dramatically from one region to another. It shapes both our skies and our landscape, carving valleys while filling ...

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, ...

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, ...

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 ...

Way up high in the atmosphere, dust and smoke particles suspended in clouds create places where moisture can settle and form into drops. The drops sitting up here are like little globes of water, ...

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, ...

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, ...