An explanation for this remarkable meteorological phenomenon was shared online by NASA - but not everyone was convinced.
Remarkable Met Office time-lapse footage shows clouds flowing like water over the Rock of Gibraltar.
The newly released clip is a processed recording of sound waves rippling through clouds of gas and plasma.
Footage of a large disc-shaped object emerging from the clouds has racked up millions of views on social media.
Residents took to social media to share photographs of an anomalous cloud-like trail over Lazy Mountain.
A new study has put forward the idea that Venus could host life 'unlike anything we've seen.'
A pilot flying over the Pacific has captured footage of several sets of lights moving in formation through the clouds.
The city has taken the weather into its own hands by using drones to stimulate clouds into producing rain.
New video footage has emerged showing a very strange aerial phenomenon moving through the clouds.
This distinctive disc-shaped cloud formation was recently photographed by a worker in the Cascade Mountains.
This large circular 'hole' in the clouds over North Carolina left social media users scratching their heads this week.
Two separate ranger patrols have reported sightings of the Formosan clouded leopard in a remote forest region.
One eagle-eyed Google Street View user recently came across a very unusual object in the clouds over Florida.
ESA's Mars Express orbiter has photographed a long white cloud lingering eerily over the planet's surface.
Scientists have determined just how far down Jupiter's colorful atmospheric bands actually go.
A new paper has put forward the suggestion that the clouds of Venus could be a habitat for microbial life.
The unexplained cloud of Ruthenium-106 particles was detected over Europe in September and October.
Residents of Teixeira de Freitas were treated to a rather unusual and unnerving spectacle this week.
Scientists have identified a unique type of ice formation that can be found two kilometers up in the air.
Astronomers have been analyzing the atmosphere of a Neptune-sized planet located 430 light years away.