From the top of a plane wing, another airplane is seen flying above clouds in a blue sky, leaving a contrail in its wake. In spring 2023, scientists aboard a research aircraft chased an Airbus A321neo ...

German researchers have begun a series of flights to measure the contrails produced by the latest-generation engines as part of a wider project tackling aviation’s non-CO2 impacts. Led by Germany’s ...

While the vapor trails produced by airliners don't contain chemical agents sprayed for secretive reasons, they do pose a risk. Contrails are an effect that results from specific atmospheric conditions ...

The contrail clouds formed by jet engines contribute to global warming. In-flight measurements of the particles emitted and contrails produced by a passenger jet show that contrails are formed through ...