The universe is constantly expanding, but how do scientists think about what it’s expanding into?

Because the universe’s size is already infinite, its size can’t increase. So essentially, if the universe is of infinite magnitude, it cannot possibly be expanding into anything.

Experts are divided on whether the universe is infinite or finite , but it is believed that the universe is expanding based on observational records. If the universe is already infinite, what does ...

Cosmic expansion stretches space itself, as if space were made of some kind of stretchy rubber material; there is no physical border, only stretching space, says astrophysicist Marcelo Gleiser.

Astronomers have known for decades that the universe is expanding. But its rate of expansion does not fit with what we expect.

The universe is expanding, but what is it expanding into? (Part 2) Perhaps the universe isn’t expanding say our readers, whose heads are hurting at the implications of its infinite nature ...

If the Universe is expanding, then what does that means for the objects in it? Are galaxies expanding? What about stars, planets, human beings, or even atoms themselves?

What is the universe expanding into if it’s already infinite? – Mael, age 10, Missoula, Montana When you bake a loaf of bread or a batch of muffins, you put the dough into a pan.