The James Webb Space Telescope observed the same region of sky captured in the famous Hubble Ultra Deep Field image, revealing thousands of distant ancient galaxies. Credit: ESA / NASA / CSA / G.

Webb launched on Christmas Day in 2021 and began operations in July 2022. Three years into its cosmic mission, NASA's James Webb Space Telescope continues to dazzle and inspire awe.

For first time, Webb telescope discovers an alien planet By Will Dunham June 25, 20258:10 AM PDTUpdated June 25, 2025 ...