The Big Bang is agnostic about, and cannot itself have started from, a singularity. ... the same energy density everywhere, always below a certain threshold temperature, ...

The Big Bang wasn't the beginning, after all. Instead, that honor goes to cosmic inflation, and everyone should understand why. The Universe doesn't just expand uniformly, but has tiny density ...

Timeline of the Big Bang. The currently accepted model of the Big Bang begins, chronologically, at t = 0, a threshold defined as the very first instant of meaningful time as we experience it.

In case dark matter didn't seem mysterious enough, a new study proposes that it could have arisen before the Big Bang.

The infant universe was a busy place. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Paul M. Sutter is an astrophysicist at SUNY Stony ...

A big population of small black holes could have flooded the young cosmos with particles and radiation, creating their own black hole-powered Big Bang, physicists say.

With Big History, we can go back to the “big beginning” at the Big Bang, which our best estimates say took place approximately 13.8 billion years ago. From there we can map increasing stages ...