Noctilucent clouds usually form close to the poles, but in recent decades, they’re being spotted closer to the Equator ...

Hailstones have been said to bounce up and down through clouds as they grow. A new study found that many stones take much simpler paths.

Weather officials say different types of clouds can tell you what kind of weather to expect. Here's a look at the different types.

The best time to see noctilucent clouds is on clear nights between late May and mid-August, about 90 to 120 minutes after ...

Volcanic ash from eruptions can reshape cirrus clouds, forming giant ice crystals and altering how Earth traps heat in the ...