Question

the universe is expanding but it is expanding into what?

Answer 1

Answer:

Actually UNIVERSE is not expanding

As the integers on number line is infinity from both the side.

But the important Property of UNIVERSE: Uniformity makes Continues Creation of Matter

Answer is 100% Right, 'cause Curiosity Don't Need permission

Answer 2

Answer:

The universe is everything, so it isn't expanding into anything. It's just expanding. All of the galaxies in the universe are moving away from each other, and every region of space is being stretched, but there's no center they're expanding from and no outer edge to expand into anything else.