Quanta articles for future discussion

 Cosmic Dark Ages

https://www.quantamagazine.org/how-the-cosmic-dark-ages-snuffed-out-all-light-20200302/

Shadows of Big Bang Afterglow

https://www.quantamagazine.org/shadows-in-the-big-bang-afterglow-reveal-invisible-cosmic-structures-20230313/?mc_cid=53c330dec2&mc_eid=595edbe339