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.

We typically think of the Oort cloud as scattered ice balls floating far from the sun, yet still tied to it gravitationally.

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