NASA Believes Sun Destroyed Comet ISONThe sun's power apparently proved too much for Comet ISON.
Thanksgiving Day Show In The Sky! Comet Ison Makes Close Encounter With The SunClose encounter! All eyes were on outer space as a comet barreled toward the sun. Would it survive this dangerous journey?
NASA Declares End To 'Deep Impact' Comet MissionA spacecraft that gave scientists their first peek into a comet's icy interior will explore no more, NASA said Friday.