A 2014 satellite image captured a rare glimpse of a massive, eerily circular ring of clouds that formed slap-bang in the ...

A video of a strange shadow line in the sky spotted from a plane has gone viral ... are narrow cirrus cloud streamers that form behind high flying aircraft." The NASA website explains: "When ...

A strange swirl in the sky seen over much of Britain and Europe this week wasn’t the result of alien activity but rather a ...

If you opted for the window seat on an airplane, it’s probably because you enjoy looking down at the Earth from the clouds ..

Light pollution—the needless shining of bright lights into the night sky—has robbed whole generations ... called 911 to express alarm about strange clouds hovering overhead; they were seeing ...

Extraterrestrial theories aside, Twitter and Instagram users took some amazing shots of the sky following the ... But what caused the cloud to look like this? According to a post on ...