The exhaust from airplanes contains small particles called aerosols. These particles act as a “landing zone” for the molecules in water vapor. Under the right conditions, the water molecules come ...

The next full moon is Saturday, Aug. 9, and is sometimes called the Sturgeon Moon. It gets that name from when "The Great ...

The EPA has announced new online resources to address myths and provide information on contrails and geoengineering of ...