Clouds help control Earth’s temperature by trapping heat and reflecting sunlight. They keep the planet warm by holding in ...

Experts say that rings around the moon can pop up from time to time, but have you ever seen one in Denver? Last night, at ...

From cirrus wisps to stratus blankets to cumulus puffs, clouds generally look lighter than air, unless there's a dark nimbus cloud dumping rain on you. With an understanding of how clouds are made ...

During the day, folks can call this a 'sun halo', but at night and when associated with the moon, try a 'lunar halo'. These ...

Fire rainbows require specific conditions: cirrus clouds and sunlight at least 58° high in the sky. They're most visible in ...