Add Yahoo as a preferred source to see more of our stories on Google. Here’s what you should know about contrails, according to an aviation meteorologist. pic4you/Getty Images If you’ve ever looked up ...

Contrails are visible lines in the sky behind aircraft that occur when warm jet engine exhaust meets the colder surrounding atmosphere, forming small ice crystals. Most contrails dissipate within ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

Those white vapor trails crisscrossing the sky carry a hidden climate price tag comparable to the damage from jet fuel itself. Research from Chalmers University of Technology reveals that aviation ...

Since the dawn of commercial jet travel, the uninformed masses have looked up at the skies and assumed the vapor trailing off of airliners was the government covertly spraying chemicals over the ...

Contrails are created by jet engines cruising at altitude. Is it a cause for worry? Not in the way you might think. When you purchase through links on our site, we may earn an affiliate commission.

Contrails conjure a sense of something overwhelming and ineffable, as terrifying as it is beautiful. By Kate Folk I spend most days working from home, in my apartment in San Francisco’s Richmond ...

Non-experts define contrails as condensation trails that form due to the steam left behind by aircraft and which take shape as linear clouds in the upper troposphere. These trails emerge at high ...

Long-lived contrails form predominantly not in cloud-free skies, but within already existing ice clouds. This is the conclusion reached by a team of scientists from Forschungszentrum Jülich, the ...