If you look up at the sky on a clear day, chances are you'll notice thin, white clouds—also known as contrails—following behind airplanes. The formation of these wispy ice clouds is a complex process ...

Researchers from Nagoya University and the National Institute of Polar Research in Japan have found that dust from land without snow cover in the Arctic is a major source of particles that form ice ...

A team of UC San Diego-led atmospheric chemistry researchers moved closer to what is considered the "holy grail" of climate change science when it made the first-ever direct detection of biological ...