New Telescope Data Deepens the Mystery of How Fast the Universe Is Expanding

Dec 5, 2025 - 18:00
New Telescope Data Deepens the Mystery of How Fast the Universe Is Expanding
The Atacama Cosmology Telescope’s final polarisation maps reinforce the long-standing Hubble tension, confirming a slower early-universe expansion rate similar to Planck’s findings. By ruling out several proposed fixes, the new data intensifies the mystery and suggests current cosmological models may be missing key physics.