This is that the universe should be "flat"—no overall curvature of space. Spectacularly convincing evidence—recent measurements of irregularities in the microwave background radiation ...

Is the universe a sphere or flat? Whether the universe is flat or curved like a sphere (closed) depends on how close the density of matter is to the critical density. Measurements show that the ...

One such problem, along with dark matter and dark energy, is that the universe looks sort of flat. First, what do we mean by ...

The universe is lumpier than first thought! New findings from a team of New Zealand scientists shows that the universe does not expand at a constant, flat rate, but in a fluctuating or lumpy way.

While spiral galaxies like our Milky Way are flat, the most ancient galaxies in the early universe seen by astronomers are all kinds of shapes, including blobs and “bulging footballs.” ...