Fallstreak holes, also called cavum, sometimes occur when airplanes fly through certain clouds high in the atmosphere.

A rare roll cloud was seen passing over several beaches in Portugal on Sunday, June 29. The phenomenon features a cloud that ...

A Met Office video explains seven rare cloud types - including noctilucent clouds as they’re sighted in the UK.

Mainland Portugal faces a heatwave with temperatures reaching 42°C. A rare roll cloud surprised sunbathers on beaches, while the risk of forest fires increases. #EuropeNews ...

Portugal witnessed a rare "tsunami" roll cloud. This strange and scary weather event caused a massive roll cloud to stretch ...

A dramatic video showing a "roll cloud" over a beach in Portugal is going viral on social media, leaving netizens mesmerised.

Portugal like much of Europe has been experiencing a heat wave in recent days, but another rare weather phenomenon also gripped many beachgoers trying to survive the warm temperatures by the sea ...

Many of our viewers have captured pictures of rainbow clouds and this is actually called cloud iridescence. Meteorologist ...

Only July 3, NASA astronaut Nichole Ayers aboard the International Space Station photographed a gigantic jet—a massive bolt ...

The cloud, an exceedingly rare meteorological phenomenon that's more common in Australia, must've been an incredible sight to behold. "These clouds are spectacular," Imperial College London climate ...