The Birth of Light.

The article focuses on the ongoing search for Population III (Pop III) stars, the universe’s first generation of stars formed from primordial hydrogen and helium shortly after the Big Bang. Using the James Webb Space Telescope (JWST), astronomers are beginning to identify candidate galaxies, such as LAP1 and GN-z11, that may contain these massive, short-lived stars, which forged the first heavy elements essential for later cosmic evolution. While some evidence from JWST’s spectroscopy and gravitational lensing supports the existence of Pop III stars, the findings remain debated within the scientific community due to challenges in distinguishing them from later star populations or gas clouds. Discovering Pop III stars is considered crucial for understanding early galaxy formation, the origins of elements, and potentially shedding light on the nature of dark matter. [Extracted from the article]