A faint, ancient star sitting inside one of the smallest known galaxies has handed astronomers a direct chemical record of ...
Astronomers have discovered one of the most chemically primitive stars at the edge of our Milky Way galaxy. The star, called ...
Found in an ultrafaint dwarf galaxy, the ancient star’s unusual chemistry indicates it formed from gas enriched by a single ...
Ancient star PicII-503 discovered in distant dwarf galaxy Star has extremely low iron, revealing early cosmic chemistry ...
The JWST has detected more active black holes than expected, casting doubt on their prevalence in the early universe.
In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big Bang—a cosmic Jekyll and Hyde that looks like any other galaxy when viewed in ...