glowing blue spiral in the sky. Images and videos posted to social media showed the strange cloud-like phenomenon, with users wondering what caused the intriguing sight. The UK Met Office, ...

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 blue with very little moisture. These deep blue winter ...

Pink and red hues could light up the Bay Area sky Wednesday as scattered clouds provide ideal ingredients for a colorful sunrise and sunset. A meandering low-pressure system off the Central Coast will ...