Stargazers in parts of Europe were stunned by an unusual sight on Monday evening: a large, glowing blue spiral in the sky.

People across Wales looked to sky on Thursday and saw the usually grey ... cloud in the atmosphere which was illuminated by the setting sun," she said. "The sun was low in the sky, meaning the ...

Whether you’re looking for eclipses, auroras, or shooting stars, clouds play a starring role in these memorable celestial ...