Cosmology

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JWST Finds a Galaxy Cluster That Shouldn’t Be This Mature So Early in the Universe

New observations from NASA’s James Webb Space Telescope deepen the mystery of a young but unexpectedly mature galaxy cluster in the early universe that challenges leading ideas about…

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The Universe Can Expand Faster Than Light Without Breaking Physics

The universe’s expansion makes cosmic distance far less intuitive than simply measuring how long light has traveled.

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Einstein’s “Greatest Blunder” May Be Breaking Cosmology

Dark energy revived Einstein’s discarded cosmological constant and reshaped the leading model of the universe.

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Could Dark Matter Be Hiding in a Hidden Fifth Dimension?

The geometry of a hidden dimension may naturally explain dark matter resonance and its elusive behavior.