Riddle #1077

It can't be seen, can't be felt, can't be heard and can't be smelt. It lies behind stars and under hills, and empty holes it fills. It comes first and follows after, ends life and kills laughter. What is it?

You bury me when I am alive, and dig me up when I die. What am I?

What gets wet while it's drying?

What word in the English language does the following: the first two letters signify a male, the first three letters signify a female, the first four letters signify a great man, the first six letters signify a drug, while the entire world signifies a great woman. What is the word?

The more you take, the more you leave behind. What am I?

I go around all the places, cities, towns and villages, but never come inside. What am I?

When it comes to me, you go on red and stops on green. What am I?

Look at me. I can bring a smile to your face, a tear to your eye, or even a thought to your mind. But, I can't be seen. What am I?

I like to twirl my body but keep my head up high. After I go in, everything becomes tight. What am I?

Take off my skin - I won't cry, but you will! What am I?

Only one color, but not one size. Stuck at the bottom, yet I easily fly. Present in sun, but not in rain. Doing no harm, and feeling no pain. What Am I?