Measurements of ancient light from the cosmic microwave background suggest that the universe is remarkably flat. But that ...

Add Futurism (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Cosmologists have an embarrassing problem: we don't know what shape the universe is. The cosmos has three possible geometries—positively curved like a sphere, flat like an infinite plane or negatively ...

The Universe is expanding, and goes on for farther than even our most powerful telescopes can see. The part of it that we can see, scientists have long concluded, is indistinguishable from being ...

The surface of the Earth has no edge. Yet, its area is clearly defined.While this seems obvious once pointed out, the moment ...

The observable universe stretches for about 92 billion light-years across, but this does not allow us to determine the size ...

More than 2,000 years ago, the ancient Greeks figured out that Earth was round rather than flat. Now, cosmologist Joseph Silk thinks the same might be true of the entire universe. Together with ...

The theory of general relativity, under which space itself can curve, allows for the universe to take one of three forms: flat like a sheet of paper, closed like a sphere, or open like a saddle. This ...

No matter how elegant your theory is, experimental data will have the last word. Observations of the retrograde motion of the planets were fundamental to the Copernican revolution, in which the sun ...

This story originally appeared in the December issue of Discover magazine as "Is the Universe Infinite?" Support our science journalism by becoming a subscriber. When Galileo Galilei pointed his first ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

Add Futurism (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. If you ...