'At the edge of what we thought possible': Astronomers find extremely rare star from ancient universe

Ultra-Rare 14-Billion-Year-Old Star PicII-503 Discovered, Reveals Universe's Primordial Elements

Astronomers have uncovered an ultra-rare star that could reshape our understanding of the early universe. Named PicII‑503, this 14-billion-year-old star has survived almost since the Big Bang and carries evidence of the universe's primordial elements, making it one of the most extraordinary stellar finds in decades. Hidden in a faint dwarf galaxy, PicII‑503 offers a unique chance to study a star that has endured nearly the entire history of the …

'At the edge of what we thought possible': Astronomers find extremely rare star from ancient universe

"Cosmic archaeologists" have discovered an iron-deficient second-generation star, which provides evidence of how ancient stars enriched their successors.

Ancient star opens window to early days of the universe

Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the elements—and how massive supernovae reshaped the cosmos A “Second-Generation” Star Reveals the Universe’s Earliest SecretsNot all archaeologists dig in the ground—some look to the sky. In a breakthrough study, scientists from the University of Chicago have identified an ancient star that likely belongs to the second generation …