Is the universe infinite or do we say that because we have not traveled to or seen its walls yet? This question was originally answered on Quora by Viktor T. Toth.

The universe is full of wonders, yet some of its greatest mysteries may never be solved. Despite groundbreaking discoveries, there are questions so profound, so complex, that they may remain forever ...

When you bake a loaf of bread or a batch of muffins, you put the dough into a pan. As the dough bakes in the oven, it expands ...

‘It Seems That I Know How the Universe Originated’ The theoretical physicist Andrei Linde may have the world’s most expansive conception of what infinity looks like.

The U.S.-funded Rubin Observatory will chart the entire southern cosmos over the next decade.

However, we do know that the universe is larger than 93 billion light-years across. This is the diameter of the sphere of the “observable universe” that we find ourselves at the center of.

SCOTT SIMON, HOST: On more certitude in this world has been overturned. The infinite monkey theorem holds that a monkey given an infinite amount of time at a keyboard would ultimately type out ...

This concept—known as the Infinite Monkey Theorem—suggests that, given infinite time and random chance, any sequence of text, including something as complex as Shakespeare's back catalog ...

It turns out a monkey – given an infinite amount of time and a typewriter – wouldn't be able to write Shakespeare before the universe ends, according to a new study.

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