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A new measurement fuels an ongoing debate about the rate at which today’s universe is expanding. The post Tension Over Hubble Constant ..read more
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There are ghosts in our galaxy’s past. Now astronomers have found a way to detect them. The post Evidence for a Dark Matter Clump in the ..read more
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After decades of searching, astronomers have definitively detected helium hydride, the first molecule to form in the early universe. The ..read more
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Astronomers have found a way to turn quasars into standard candles, with potentially far-reaching implications for the nature of mysterious ..read more
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Nearly 11 billion years ago, the universe churned out stars at a rate 10 times greater than today. And yet all the starlight in the cosmos ..read more
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