It looks like fireflies flickering in the darkness. Slowly, more and more amass, lighting up the screen in large chunks and clusters. But this is not a video about insects. It’s a simulation of the ...

New simulations suggest early black holes grew rapidly through intense feeding, helping explain why massive black holes appeared so soon after the Big Bang ...

We see countless stars and galaxies sparkling in the universe today, but how much matter is actually there? The question is simple enough — its answer, however, is turning out to be quite a ...