The Hubble Space Telescope (HST) has spotted rare “double quasars” in the distant universe, implying a catastrophic galactic collision in ancient times. Peering back 10 billion years into the universe’s history, astronomers found a pair of quasars that appear to be a single object. But with the crisp view provided by the HST, the pair…

A recent observation has challenged the current theory about the way galaxies formed in the early days of the universe. Many cosmologists believe that the universe began with a Big Bang. Therefore, galaxies forming in the early universe could experience very chaotic physical processes, which made them appear disordered. However, the new study has cast…