Cosmic inflation is a popular scenario for the earliest phase in the evolution of the Universe CREDIT A. Ijjas, P.J. Steinhardt and A. Loeb (Scientific American, February 2017) Astrophysicists say ...

Stephen Hawking and 32 of his fellow scientists have written an angry letter responding to a recent Scientific American article about how the universe began. In it, they declare their "categorical ...

Cosmological inflation, first proposed by Alan Guth in 1979, describes a hypothetical period when the early Universe expanded faster than the speed of light. The model, which answers fundamental ...

Could it be that the universe’s first structures were born not from enigmatic inflaton fields, but from the echoes of ancient gravitational waves? In a shocking shift from the conventional picture of ...

Ever since the Big Bang theory of the origin of the universe developed in the 1920s and 1930s, the idea has had its skeptics. The radical concept stated that the universe is expanding; run time ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. This is a slightly more public version of an argument that's been going ...

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 ...

The origins of space and time are among the most mysterious and contentious topics in science. Our February 2017 article “Pop Goes the Universe” argues against the dominant idea that the early cosmos ...

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