FARNBOROUGH—Airbus UpNext, the aircraft maker’s technology innovation arm, plans to flight test a hydrogen-burning engine at altitude on a powered glider early next year as part of research into ...

A May 10 Instagram video (direct link, archive link) shows a blue sky with two white streaks across it. One is significantly larger than the other. "Chemtrail vs contrail and the moon as a witness to ...

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 ...

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 ...

Airbus’ innovation arm UpNext has conducted an 100% hydrogen-powered flight of a modified glider it is using to study contrails produced by hydrogen propulsion systems. Airbus said on 16 November that ...

The white trails left by high-flying airplanes may be a pretty sight in a blue sky, but bomber crews dislike them for good reason: an airplane may look from the ground like an almost invisible speck, ...

Should you be scared of jet contrails, the white streaks billowing across the sky? John Lin, an associate professor of atmospheric sciences at the University of Utah, sat down with City Weekly to set ...

The claim: Chemtrails are intended to 'protect us from climate change' An April 3 Instagram post (direct link, archive link) shows a video of a blue sky with a white contrail streaking across it.

Last week while I was out taking other pictures around sunset, I looked up and saw a gull sitting on a light pole. I like gulls OK, but it was the plane behind the bird that really caught my eye.

You don’t have to be an aviation enthusiast to know that airplanes, even when they fly at a altitudes that do not allow observation with the naked eye, usually leave signs of their passing. They’re ...

Many of us enjoy flying to new places for vacation, to visit family and friends, or to connect with work colleagues. Those flights, particularly the longer, high-altitude flights, contribute ...

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.