Root for your favorite space news story of the week here in our latest voting round!
FIRST STOP: Milky Way's Mystery Wave
NEXT STOP: Northern Lights Oddity: Strange Sounds of Auroras Explained
NEXT STOP: NASA's Final Space Shuttle Mission — Where Are They Now?
NEXT STOP: How the Euclid Telescope Will Probe the Invisible Universe
NEXT STOP: 'Arsenic Life' Debate Reveals Challenge of Alien Microbe Search
NEXT STOP: Military's Hypersonic Rocket Plane by 2016
NEXT STOP: Virgin Galactic Unveils LauncherOne Rocket for Private Satellite Launches
NEXT STOP: Pluto Has a Fifth Moon, Hubble Telescope Reveals
NEXT STOP: Asteroid Crashes Likely Gave Earth Its Water
NEXT STOP: Major Solar Flare Erupts From Giant Sunspot
NEXT STOP: TV's 'Big Bang Theory' Gives Away Free Trip to Space