Water exists in the form of ice on dust grains and as water vapor within these clouds. One well-known interstellar cloud ...

It's called cloud condensation nuclei or CCN, which can come in many forms, but last night's rain used dust particles from ...

and trace amounts of oxygen and water vapor. The atmosphere also contains thin water and carbon dioxide clouds, and is frequently affected by dust storms. Jovian planets include Jupiter ...

New Delhi's air pollution is more severe than previously estimated with particles absorbing atmospheric water vapor leading to particulate matter levels across the city being underestimated by up to ...

A storm system that resulted in severe flooding in Southern California is headed to Texas and the Central US — why experts call it a "triple threat." ...