Jet engines burning fuel at cruise altitude produce white trails that can linger for hours, spreading into thin cloud sheets ...

Sometimes contrails can be seen, and sometimes they can't. The reality of why this is the case is actually simpler than it ...

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 ...

Everyone has looked up and seen white streaks across the sky where a jet has just flown. These condensation trails, or “contrails,” which form when water vapor condenses around jet-engine pollutants, ...

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, ...

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 ...

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 ...

What’s up with the contrails? Is it just me, or does anyone else notice the streaked cloud patterns over our fair city lately? Mornings typically start out with cobalt-blue skies, only to be ...