Ken Croswell

Ken Croswell earned his Ph.D. in astronomy at Harvard University for studying the Milky Way's halo. He has authored eight books on astronomy, including The Alchemy of the Heavens: Searching for Meaning in the Milky Way.

All Stories by Ken Croswell

  1. Space

    This ‘Sombrero’ stole a big galaxy

    The Sombrero Galaxy is an odd spiral galaxy that outshines all others within 35 million light-years of Earth. Its bright, iron-rich halo suggests it consumed one or more large galaxies.