- Did the Solar System Just Gain 2 New Worlds? - A pair of scientific papers suggest that the ALMA observatory may have detected 2 new "planet-scale" objects associated with the outer realms of the solar system. But should we be awed or skeptical? http://blogs.scientificamerican.com/life-unbounded/did-the-solar-system-just-gain-2-new-worlds/ 5 comments worldnews