This is not the first time Boulder County has been enthralled by a strange cloud formation. In 2017, a spaceship-shaped group of lenticular clouds made its way across the county and onto social media.

The result is a wispy, iridescent cloud formation. Rainbow trails and birthday celebrations from a distance: How we are staying #InThis2Gether Here's all the good news you may have missed today.

A meteor, Russian missile, plane crash and UFO were among explanations for a freaky formation of clouds near Lazy Mountain, Alaska, this week.

A recent study led by Dilda Berdikhan, a Ph.D. student from the Xinjiang Astronomical Observatory (XAO) of the Chinese ...

A rare and striking cloud formation has been photographed over Derbyshire. Asperitas is a thick, wave-like pattern which was only added to official lists in recent years. Adrian Webster, a keen ...