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 ...

Airlines have tamped down on carbon emissions by flying planes at higher altitudes. But this comes at a cost: the higher-flying aircraft are creating more contrails that last longer, worsening 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 ...

Contrails—those cloudy tracks laid across the sky by jet planes—have a noteworthy effect on the local climate below, new research shows. A study recently published in the International Journal of ...

Despite conspiracy theories about so-called chemtrails, there’s no evidence that the white plumes seen trailing from high-flying airplanes are part of a secret government program to spray toxic ...

Have you ever looked up at the sky and seen those white lines streaming out of an airplane and wondered what they were?

MYSTERY WIRE — The so-called chemtrail conspiracy has morphed into one of the largest and most enduring beliefs in recent years. With so many of us stuck at home, more people than ever are looking up ...

Of the varied conspiracy theories regarding contrails – you know, chemtrails – one stands out for being especially wrong: the belief that the plane-made clouds are chemicals the government is secretly ...

A crazy cold week in Florida brings starker contrails. But it's just winter conspiring against us, not the feds trying to change the weather.

Contrails — those lines of wispy white clouds that follow some jets — may not be so harmless. Airlines and scientists are coming to a consensus that the water vapor trails created by airplanes at high ...

Contrails — those lines of wispy white clouds that follow some jets — may not be so harmless. Airlines and scientists are coming to a consensus that the water vapor trails created by airplanes at high ...

Airlines, including Fort Worth-based American and Dallas-based Southwest, are trying to figure out which contrails are most harmful to the environment and what, if anything, can be done about it while ...