"James Webb Space Telescope Sheds Light on Universe's Expansion Rate Controversy"

The James Webb Space Telescope (JWST) has contributed to the ongoing debate over the universe's expansion rate, known as Hubble tension. The JWST's observations have shown that the discrepancy in the Hubble constant, which measures the rate of the universe's expansion, is likely not due to technical issues with the Hubble Space Telescope. The JWST's infrared vision has provided more accurate measurements of Cepheid stars, which are crucial for determining the Hubble constant. The results highlight the need to understand why different measurement tools are not in agreement.