Jet contrails can sometimes make for beautiful sunrises and sunsets as lines of clouds stretch from horizon to horizon, bending the light from the incoming sun. But have you ever wondered why they ...

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 ...

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 ...

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 ...

Scientific debate is getting heated over what to do about airplane contrails—the wispy lines of water vapor you often see trailing behind a jet. Those harmless-looking vapor trails sometimes spread ...

An unexpected experiment -- the sudden three-day grounding of air traffic after last September's terrorist attacks -- shows that high altitude jet contrails are having an important impact on ...

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 ...

For three days after September 11, the Federal Aviation Administration grounded commercial aircraft in the U.S., stranding travelers, hindering mail delivery and interrupting courier service, but for ...

DALLAS — 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 ...

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,” ...