Researchers have found that stars in the early universe may have formed from 'fluffy' molecular clouds. Using the ALMA telescope to observe the Small Magellanic Cloud -- whose environment is similar ...

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

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

Breakfast enthusiasts are buzzing over the latest trend – cloud eggs. This airy, dreamy dish combines fluffy egg whites with savory parmesan and chives, topped with a runny yolk, all served on toast.