Good Riddles

Question: I rule the ends of the universe. I control its laws. I reign the galaxy. The start of space is the start of me. The end of the universe is the end of me. The name of my slaves bring mighty terror to you. The universe wouldn't work if it wasn't for me. What am I?

Question: Jack and Jill lay dead in a room with no doors and one window with bars the only evidence is broken glass, a stone and water on the floor. How did Jack & Jill die?

Question: What can you do with your mind, and have in your heart; What makes music in your purse, and is not the same from the start?

Question: A couple goes on a plane. The plane crashes. The crash is in all the newspapers, on all the news channels on radio and television, and everywhere for everything. You know why? Because every single person died. But the next day, that same couple are found walking on the street, happy as can be, not a scratch or bruise on them. How can that be? P.S.: For more fun, only read this once. Reading it more will give it away plainly, and you came here to have fun, right?

Question: When the answer I give is yes, it is no, and when the answer I give is no, it is yes. What is the question?