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 ...

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 ...

Space jellyfish to people in Florida is like the Northern Lights to the general population: One of nature's light shows that ...

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

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 ...

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.

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 ...

GE Aerospace and NASA recently partnered on flight tests to help further the aviation industry’s understanding of contrails, using new test methods and technologies. Contrails are clouds made of ice ...

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 ...

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 ...

American Airlines published the first findings in a study by Google Research and Breakthrough Energy on contrail avoidance to help understand how to reduce air travel’s environmental impact this week.