NASA's Curiosity rover has captured a stunning image of the Martian sunset featuring "crepuscular rays," or sun rays, illuminating a bank of clouds. This is the first time that sun rays have been seen ...

DENVER (KDVR) — When the sun sets, sometimes there are pink and purple colors across the skyline, while other times, the sky stays blue before it fades into nighttime. The sunset won’t always be ...

MADISON (WKOW) — Did you notice the beautiful bright red sunset last night? Here’s why the sky turns red at sunrise and sunset: The sun emits light rays that are scattered through the earth’s ...

It happens every day, almost anywhere you are. The sun that provides you with light and warmth all day sinks beyond view, introducing you to night once again. Some days end with little fanfare. Others ...