Best short riddles

Where do cows have a party?

I create my lair with earthen string and dispatch my prey with a biting sting. What am I?

What city has no people?

You leave home, make three left turns, and return home where you find two men wearing masks. Who are they?

What did the chewing gum say to the shoe?

Teddy bears are never hungry because they are always what?

Name the only sport in which the ball is always in possession of the team on defense, and the offensive team can score without touching the ball?

It is an insect, and the first part of its name is the name of another insect. What is it?

What did the store clerk say to the woman who asked to try on the dress in the window?

Scientists are trying to find out what is between earth and heaven. Can you find me?