Dark Ages Archives - BigBangRegistry.com

The Cosmic Dark Ages Explained: From the Big Bang to the First Stars

August 24, 2026 | Dark Ages, Early Universe, Recombination | Earnest S. Carroll

A comprehensive guide to the cosmic dark ages, the period when the universe was shrouded in neutral hydrogen, and how the first stars and galaxies emerged to end the darkness. This article covers the full cosmic timeline, key missions, and the evidence that shapes our understanding of this pivotal era.

When Did the First Stars Form? A Cosmic Timeline from Planck Epoch to Reionization

August 23, 2026 | Dark Ages, First Stars & Galaxies, Reionization | Earnest S. Carroll

The first stars emerged roughly 100–200 million years after the Big Bang, ending the cosmic dark ages. This article traces the full evolution of the universe—from the Planck epoch through inflation, recombination, and reionization—and explains how the first atoms, stars, and galaxies formed, with key evidence from COBE, WMAP, Planck, and JWST.