Oxygen Found in a Galaxy Just 300 Million Years After the Big Bang

Astronomers have detected oxygen in the most distant galaxy ever observed, JADES-GS-z14-0, shaking up our understanding of how quickly galaxies formed after the Big Bang. The find suggests this galaxy matured far faster than expected, becoming chemically rich just 300 million years after the Universe began. The discovery, made with the ALMA telescope, also provided [...]