That's because they were forming from the exhaust of the rocket more than 200,000 feet in the air, so while the sun had not risen for us, it was able to reflect off those clouds. Hence the term ...

The NWS confirmed Tuesday night that a tornado was located east of Sneedville, […] GALLERY: Dark clouds, lightning fill the sky amid storms across the Tri-Cities Skip to main content ...

The rare clouds in Darlington (Image: YVONNE ALDERSON) They are the highest clouds in the Earth's atmosphere and are ...

Navajo County posted a surprising photo to their Facebook on Friday showing a bright purple sky over Snowflake, Arizona. The landscape, with shades of pink and purple across clouds in the sky and ...

A mysterious mauve cloud staining the sky above a town in Chile has left locals baffled. The purple phenomenon was spotted hovering low over the city of Pozo Almonte, in the country’s north ...

A glowing, swirling spiral of blue and purple was seen across the UK and also in parts of Europe on Monday night. But what was it? The cloud-like shape appeared for several minutes before ...

A tornado warning was issued in several counties, and storms filled the sky with lightning and dark cloud formations. The NWS confirmed Tuesday night that a tornado was located east of Sneedville ...