This is a fancy term for the area in the atmosphere where we’re able to see the fluffiest, biggest snowflakes form. Some could even be as big as 2 inches!So when you saw those huge, fluffy snowflakes, ...

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 ...

So, if astrobiologists ever do find alien life with a weird chemistry that uses some liquid other than water, it's not likely ...

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

Arizona's dark skies are a haven for astronomers and photographers. Some communities are fighting to keep them that way.