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 ...

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 ...

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 ...

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 ...

Does human activity affect the weather? This is a timely question in light of the talk of global warming and the greenhouse effect. Vince Condella breaks it down in this week's weather column. Does ...

American Airlines and Google were able to cut contrails made by jets by more than half during a small trial, a move that could significantly reduce the global-warming footprint of the travel industry, ...

Did you notice how blue the skies were yesterday? Typically, a day or two before an incoming storm systems, jet contrails criss-cross across the sky overhead. As the world fights the COVID-19 pandemic ...

The Pentagon struggled for days to come up with an answer. That left it up to a Santa Monica computer programmer with an interest in the weather to explain the “mystery missile” up in the sky on ...

Update at 2147 GMT on Wednesday: The Pentagon says the contrail was caused by a plane. “We have no evidence to suggest that this was anything other than a contrail caused by an aircraft,” ...