Using the James Webb Space Telescope, astronomers have made a new observation of what they say is the oldest galaxy seen to have stopped forming stars. An international team of astronomers has spotted a so-called “dead” galaxy that stopped forming new stars just 700 million years after the Big Bang.The astronomers say it’s the oldest such galaxy ever observed and could help them to understand how star formation is regulated and why galaxies stop forming new stars, something called “quenching”.Th...