During autumn and winter, the sun's lower position ... resulting in more vibrant sunset colors. Clean air during these seasons is a key factor in the brightness and vibrancy of sunrises and ...

HUDSON, Wis. — On the beautiful St. Croix River, it's the sunset painting the sky instead of the autumn hues. Experts say the changing of colors is controlled by shorter days, but climate ...

The rarest type of sunset is one with violet or indigo colors. To understand why thought, you have to know a little bit about the science of sunsets. The bright evening colors come when small ...