DENVER (CBS4) - Did you see the really cool, spiral-shaped cloud hovering along the Front Range early Wednesday afternoon? It was quite the talker on social media and while it's hard to say what ...

A bright object that streaked across the Texas sky during the day April 4, originally believed to be a meteor burning up as it entered Earth's atmosphere, was actually a flying jet and its contrail, a ...

Taking a day flight could be a swift way to limit the climate impact of a holiday, as new research suggests vapour trails produced by jets can cool the planet during the daytime. Soot particles ...

Contrails from winter night flights may be most responsible for the global warming caused by air traffic, even though they comprise a fraction of commercial flights, meteorologists at the United ...

What were all those white streaks painted across the blue sky of Lancaster County Thursday morning? At least a handful of residents expressed concerns. A Bowmansville man thought they were large ...