Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

Stars are born in dense molecular clouds, but did they always form this way? Recent research suggests that in the early ...

The cloud cover isn't what it used to be, and scientists say it is helping fuel Earth's hottest temperatures on record.

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Rising temperatures are fueled, in part, by declining cloud cover — which could be a potential climate feedback loop.