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.

You've definitely seen them in the sky before, but have you ever wondered how plane contrails form? Typically it's a fairly simple process of condensation from jet engines, but sometimes it's just the ...

Contrails vs. chemtrails: What Alabama’s new weather bill actually bans ...

It has been fun watching Florida’s “chemtrails” conspiracy theorists get a taste of the real world. Florida’s multi-pronged attack on science and responsible public policy has taken many forms. The ...

PHOENIX (AZFamily) — There have been all kinds of theories about jet contrails over the years. In reality, they have a very simple scientific explanation. You will often see a white streak trailing ...

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 ...

Planes create hot exhaust that contains a lot of moisture. This is from the burning of jet fuel. When that exhaust exits the plane, it enters a much colder environment in the upper-level portions of ...