The map uses data from the Sloan Digital Sky Survey, a project to create a 3D map of the universe using a telescope at Apache Point Observatory in New Mexico. Running in various forms since 2000 ...

However, the "observable universe" is something a bit different. It is defined as the area of space we can see from Earth — our specific point of view.

The universe is vast, beyond what we can truly comprehend. But how big is it, really? In this video, we explore the incredible size of the universe, from its observable limits to the theories that ...

But most cosmologists think the Universe is much larger than our observable corner of it. What we can see is a small part of an unimaginably vast, if not infinite, creation.

A new paper from a researcher at the University of Geneva goes back to the drawing board and proposes a new idea—that our perception of an expanding universe could be a mirage.

However, the observable universe extends farther than 13.8 billion light-years in every direction because, for all the time space has existed, it’s also been expanding.

What lies beyond the edges of the observable universe? Is it possible that our universe is just one of many in a much larger multiverse? Movies can’t get enough of exploring these questions ...

You can essentially think of the observable universe as a sphere surrounding any point in the cosmos — in our case, Earth. The radius of that sphere is 46 billion light-years.

James Webb telescope unveils largest-ever map of the universe The universe is 13.8 billion years old, but the observable universe stretches more than 13.8 light-years in every direction.

When the first stars were forming in our universe — a couple of hundred million years after the Big Bang — the radius of what is now our observable universe was about 20 times smaller than it ...