Press
July 22, 2013
Universe Today
July 20, 2013
Los Angeles Times
July 17, 2013
Slate
July 17, 2013
SC Public Radio
July 17, 2013
Huffington Post
July 17, 2013
Space.com (also features on CBS News, NBC News, Yahoo, Weather.com)
July 16, 2013
Denver Post (also TwinCities.com and 18 other local news sources)
July 16, 2013
Pasadena Star-News
July 16, 2013
Seeker: Discovery News
May 22, 2013
Nature Research Highlights
April 2, 2013
Nature News
December 21, 2012
Science