The first stars were massive, hot, and bright, forming from primordial clumps of hydrogen and helium. They lived fast and died young, but not before producing new elements in their stellar remains that would later birth generations of stars. Scientists know this much, but many questions still remain about those ancient stars. A group of astronomers has found the most chemically pristine star yet, potentially making it the oldest known star in the cosmos. The star may have formed in the first...
