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

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.

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.

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 ...

Lots of people believe the Universe is infinite, but there's a good possibility that might not be the case. Which means that there would be an actual edge of the Universe. What happens at that edge?

A mysterious object has been detected at the edge of the universe, sparking curiosity and debate within the scientific ...

The Zoomable Universe, a new book by the astrobiologist Caleb Scharf, the illustrator Ron Miller and 5W Infographics, tours the universe’s 62 orders of magnitude.

An explosion originating near the edge of the universe has been seen by an orbiting NASA telescope.

"Of all particles only neutrinos can directly convey astrophysical information from the edge of the Universe and from deep inside its most cataclysmic high-energy regions," says Halzen.