Hubble tension

Concept

Discrepancy between measurements of the universe's expansion rate from early-universe and late-universe methods

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Astrophysicists Announce Major Trove of New Gravitational Wave Detections

James Webb Space Telescope Finds Early Galaxies That Challenge Standard Cosmological Models

Largest 3D Map of the Universe Intensifies Debate Over Cosmological Expansion Rate

Astronomers Publish Largest-Ever 3D Map of the Universe, Charting 47 Million Galaxies