Most of us first spot them as children—the white lines in the blue sky that are the telltale sign of a flight overhead. Contrails are an instant visual reminder of air travel, and a source of much ...

GE Aerospace is partnering with NASA to carry out a series of flight tests designed to improve the industry’s understanding of contrails. To be performed over the week commencing 18 November, the ...

Artificial intelligence could be used to prevent planes from creating planet-warming condensation trails, or contrails, according to a new study. Exactly how much impact contrails have on global ...

Are vapor trails from aircraft influencing the climate, and if so, should we worry? I've always wanted to hate contrails, the "condensation trails" streaming out from behind jets. They're man-made.

Some contrails can contribute to global warming. Contrails—pure ice clouds (“cirrus”) that form from aircraft exhaust under specific cold conditions—can trap heat in the atmosphere, sometimes creating ...

The challenge of addressing aviation’s non-carbon dioxide emissions is receiving greater attention, with the climatic impact associated with tell-tale signs in the sky coming under increased study.

When an impressive contrail was spotted off the Californiacoast last week, it sparked widespread reports of a mystery missile launch inthe area ? a theory the Pentagon squashed after initial ...

Soot emissions alone cannot explain the formation of contrails, as recent atmospheric research findings show. With extremely low-sulphur fuels, volatile organic compounds and lubricating oil vapours ...

I've always wanted to hate contrails, the "condensation trails" streaming out from behind jets. They're man-made. They force lines on nature, which knows no lines. They arise out of pollution, and ...