Eventually—over tens or even hundreds of billions of years—a white dwarf cools until it becomes a black dwarf ... Ancient white dwarf stars shine in the Milky Way galaxy.
Astronomers zoomed in on a stellar behemoth in the Larger Magellanic Cloud, a galaxy that orbits about 160,000 light-years ...
New research reveals how supermassive black holes halt star formation, shedding light on galaxy evolution in the early universe.