Noctilucent clouds on Earth are something quite spectacular, thin structures so high that they can still catch sunlight long after sunset, making them shine in many colors during twilight ...

No more than about 20% of the sky will have clouds, which often will complement the sunset with a nice surface to reflect the colors of the setting sun. The sky behind the clouds will be a deep ...

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 ...