AllNews'Pluto Sinkhole' - 1 News Result(s)Icy Basin In Pluto's Heart May Be Natural SinkholeWorld News | Associated Press | Thursday December 1, 2016 The deep icy basin in Pluto's heart-shaped region may be a natural sinkhole. www.ndtv.com'Pluto Sinkhole' - 1 News Result(s)Icy Basin In Pluto's Heart May Be Natural SinkholeWorld News | Associated Press | Thursday December 1, 2016 The deep icy basin in Pluto's heart-shaped region may be a natural sinkhole. www.ndtv.comYour search did not match any documentsA few suggestionsMake sure all words are spelled correctlyTry different keywordsTry more general keywordsCheck the NDTV Archives:https://archives.ndtv.com