extrasolar planetsScienceThese Rogue Worlds Upend the Theory of How Planets FormScienceWhy the Search for Life in Space Starts With Ancient EarthScienceThe Guide for the Next Decade of Space Research Just DroppedScienceRomantic or Reckless? The Plan to Message Aliens with TwitterSciencePlanet-Forming Disk Vanishes Into Thin AirScienceThe Top 6 Exploration Stories of 2012ScienceWhat Exoplanets Might Really Look LikeScienceStill Searching: SETI Pioneer Jill Tarter Talks Shutdown, AliensApril 21, 1994: Our Solar System Is Not AloneScienceExtragalactic Exoplanet Found Hiding Out in Milky WayScienceKuiper Belt Dust Could Tell Aliens We're HereSciencePlanetary Bullies Make Astronomers Rethink the Habitable ZoneScienceHubble Watches as Star Slowly Devours PlanetScienceExoplanets Galore! 32 Alien Planets Discovered, Including Super-EarthsScienceThe Hunt for Extraterrestrial Life Gets WeirdScienceAack, No Brakes! Giant New Exoplanet Goes the Wrong WayScienceThe New Exoplanetology: 'I Learned It by Watching You, Earth'