New 'Species' of Enormous Spiral Galaxies --"Dwarf the Milky Way, Shockingly Gone Unnoticed" (Weekend Feature)

"We have found a previously unrecognized class of spiral galaxies that are as luminous and massive as the biggest, brightest galaxies we know of," said Patrick Ogle, an astrophysicist at the Infrared Processing and Analysis Center (IPAC) at the California...