Riddles about space

I’m at the beginning of the end and the start of eternity, at the end of time and space, in the middle of yesterday but nowhere in tomorrow. What am I?

What did the space man say when he set foot on a giant chocolate bar?

Which reindeer loves to go to outer space?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place.

Galaxy Detective Karamchand was on a case. A spaceship was lost. Her partner, Galaxy Junior Detective Brightstar gave her a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it: Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice. Where is the spaceship?

The beginning of eternity, The end of time and space. The beginning of every end, And the end of every place.

Why did Mickey Mouse go to Outer Space?

I have keys but no locks. I have a space but no room. You can enter, but can't go outside. What am I?

It can fill a room without occupying space. What is that?