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'Most pristine' star ever seen discovered at the Milky Way's edge — and could be a direct descendant of the universe's first stars
Astronomers have discovered a surprisingly "pristine" red giant with the lowest concentration of heavy elements ever seen in ...
Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...
A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.
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