The haze and smoke in the atmosphere Friday made for a very vibrant sunset and will likely lead to a vibrant sunrise Saturday ...

But a spectacular sunrise or sunset can be ... happens in a sky that has “high, thin, wispy” clouds, “which are able to get lit up in those bright orange and red colors like a projector ...

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