Still in its original galaxy, a rare holdout from the second generation of stars sheds new light on the origins of the elements—and how massive supernovae reshaped the cosmos ...

When astronomers look deep into the early universe, the expectation is simple. You should see young galaxies still assembling, with stars forming first and black holes growing later. That picture is ...

Add Yahoo as a preferred source to see more of our stories on Google. When astronomers look deep into the early universe, they don’t expect to see fully developed cosmic objects but small galaxies, ...