Astronomers have spotted one of the oldest "dead" galaxies yet identified, and found that a growing supermassive black hole ...

Observations of Pablo’s Galaxy show repeated black hole heating restricted gas inflow, limiting new star formation in the early universe, based on Webb and ALMA data.

Pablo’s Galaxy, located about 11 billion light-years away, was once a massive and active star-forming system roughly three billion years after the Big Bang. Scientists estimate it had a mass ...