How a newly discovered galaxy could offer clues on how our Milky Way Galaxy formed

Scientists have found the beginnings of a young universe that may offer insights into the beginnings of our own Milky Way Galaxy. Geoff Bennett and Miles O'Brien discussed why scientists are excited by the discovery, one that has a little holiday sparkle of its own, so to speak. PBS News is supported by - https://www.pbs.org/newshour/about/funders