Answer:
I am mother and father, but never birth or nurse. I'm rarely still, but I never wander.
Though I wander the earth, I am no longer here. I am pale and I chill everyone near. Who am I?
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
The itsy bitsy teeny weeny yellow polka dot variety is quite popular.
What is round as a dishpan, deep as a tub, and still the oceans couldn't fill it up?
What covers its face with its hands, speaks no language, yet most known what it's saying?