Galaxy cluster observed forming surprisingly early in universe's history

2026-01-31 - 10:15

A developing galaxy cluster dating to about 1 billion years after the Big Bang is shown in this handout image released on Jan. 28, 2026. The white box marks the field of view of the Chandra X-ray Observatory data (blue) that is overlaid on an infrared image from the James Webb Space Telescope showing the location of galaxies.