Most cosmologists believe that these stars were the first large, free-floating structures to illuminate our universe, and ...

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 ...

Asking what existed before the Big Bang is often dismissed as meaningless, since traditional physics breaks down when pushed that far back in time. Yet a new paper published in Living Reviews in ...

For most of us, “inflation” is a term that comes up only in conversations about the economy or flat tires. But for many cosmologists, inflation is the ultimate word in understanding how the universe ...

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 ...

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 ...

As a cosmologist, Will Kinney explores the origins of the universe and how the universe is changing. His research focuses on cosmological inflation, dark matter and dark energy. Among other areas of ...

“The first thing we know about the universe is that it’s really, really big,” says cosmologist Michael Turner, who has been contemplating this reality for more than four decades now. “And because the ...

Breaking radio silence here to report on some of the actual work I've been able to complete: a new paper with Heywood Tam. Unitary Evolution and Cosmological Fine-Tuning Authors: Sean M. Carroll, ...

Eleonora Di Valentino does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

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