For centuries, we’ve looked up at the stars and wondered if the universe is infinite. We know there is a visible boundary of what we can observe, defined by how far light has traveled since the Big ...

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By replacing traditional curvature with a quantum potential, this model is consistent with the observed flatness of the universe and naturally leads to a robust inflationary period.

The inflationary universe theory, on the other hand, is a description of the bang itself … But did that really happen? And if it did happen, how? What were the physics involved?

How did the universe begin? A compact NASA space telescope that uses less power than a refrigerator is poised to chip away at that very large question.

Inflation was physicists’ revision for the first few moments of the universe, conceived of in the 1980s to account for some weird effects in the universe.

Meanwhile, cosmic inflation is a scenario proposed in the 1980s to explain why the universe is so smooth and flat on the largest scales we can see.

In most models of inflation, the early extreme burst of expansion which smoothed and flattened the universe also generated long-wavelength gravitational waves –– ripples in the fabric of space-time.

As it studies cosmic microwaves, the Simons Observatory in Chile aims to help prove or disprove cosmic inflation, a notion that the universe expanded rapidly in the moment after the Big Bang.