The dawn of the first stars, galaxies and black holes signaled a fundamental milestone in our Universe’s evolution: the Epoch of Reionization. The light from

New observations of the period between the cosmic recombination and the end of reionization are posing intriguing questions about where the first generations of

The formation of the first stars (Pop III stars) and galaxies is one of the great outstanding challenges in modern astrophysics and cosmology. The first stars a

A concise introduction to cosmology and how light first emerged in the universe Though astrophysicists have developed a theoretical framework for understanding

Opens a window into a previously dark and secret time in our universe's history: when the first stars were born. Astronomers have successfully observed a great