The edge of that is the place beyond which light hasn’t had time to reach us since the beginning of the universe.

At the edge, we see the leftover glow from the Big Bang — the so-called cosmic microwave background radiation (CMB). But this isn’t some magical edge of the universe. Our cosmos keeps going.

The edge of the Universe, as it appears to us, is unique to our perspective; we can see back 13.8 billion years in time in all directions, a situation that depends on the spacetime location of the ...

The universe is an astronomical mystery, one that humans are still trying to understand. What would happen if you somehow managed to reach its edges?

The simulated large-scale structure of the Universe shows intricate patterns of clustering that never repeat. But from our perspective, we can only see a finite volume of the Universe. What lies ...

Does the universe have an end or an edge? Scientists cannot definitively answer this question, but they have ideas, theories, and measurements to discuss. This question about the boundaries of the ...

In theory, our universe can have one of three possible shapes, each one dependent on the curvature of space itself: saddle shaped (negative curvature), spherical (positive curvature) or flat (no ...

Nothing? Something resembling a vague fog? Where's the edge of our cosmic soap bubble? Well, our universe does have an edge -- that is, if by "our universe," you mean the observable universe.

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With the help of modern telescopes, we literally can peer back in time to see how the universe looked shortly after some of the earliest galaxies formed.