Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected oxygen in the most distant confirmed galaxy ever found, JADES-GS-z14-0. This detection, made by two different teams, suggests the galaxy is much more chemically mature than expected. This is an artist’s impression of JADES-GS-z14-0. Image credit: ESO / M. Kornmesser. Discovered in 2024, JADES-GS-z14-0 (GS-z14 for short) is so far away, its light took 13.4 billion...
