News Cosmology

In an epic cosmology clash, rival scientists begin to find common ground 

Consensus on the universe’s expansion rate might be near, thanks to the James Webb telescope

A spiral galaxy shown in a composite image from the James Webb Space Telescope and Hubble Space Telescope

The James Webb Space Telescope could help scientists better measure how fast the universe is expanding. Galaxy NGC 5584, shown in a composite JWST and Hubble Space Telescope image, contains stars called Cepheids that are key to measuring the expansion.

NASA, ESA, CSA, Adam G. Riess/JHU and STScI, Alyssa Pagan/STScI

By Emily Conover

The biggest clash in cosmology might be inching closer to resolution, thanks to the James Webb Space Telescope.