The goal for Climate Impulse is to take off unassisted, fly some 40,000 kilometers (about 25,000 miles) around Earth along ...

If you look up on a clear day you will likely see man-made clouds somewhere in the sky, trailing behind jet aircraft high up in the atmosphere. Contrails, short for ...

A bill to ban weather modification in Florida based on conspiracy theories of chemtrails took another step toward becoming law Tuesday.

A bill that would prohibit the intentional alteration of the weather or climate by releasing unspecified contaminants into ...

Contrails conjure a sense of something overwhelming and ineffable, as terrifying as it is beautiful.