After only four short years, NASA's James Webb Space Telescope (JWST) and observational cosmologists like Richard Ellis at University College London (UCL) have pushed the cosmic lookback time to an ...

Astronomers have uncovered a galaxy-killing wind in the early universe that may solve a longstanding cosmic mystery: why massive galaxies appear to “die” far earlier than expected. Using the James ...

Astronomical observations show that the most massive galaxies in the early universe formed approximately three to four billion years after the Big Bang and stopped producing stars very early in cosmic ...

Astronomers have had the most compelling glimpse yet of some of the universe’s first stars. These are unlike any other stars we have seen and could help us understand crucial properties about the ...