Ganymede’s underground oceans may have once supported alien life

March 13, 2015 12:10 PM

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Jupiter, besides some remarkable weather patterns, isn't super interesting to us - it's a gas giant, after all. It's moons are a different story, though. Case in point: Ganymede, Jupiter's largest moon, recently came into the Hubble Space Telescope's cross hairs, where it was discovered that the moon is home to an underground saltwater ocean that may have once been home to alien life.

“This discovery marks a significant milestone, highlighting what only Hubble can accomplish,” said John Grunsfeld, associate administrator of NASA’s Science Mission Directorate at NASA Headquarters, Washington. “In its 25 years in orbit, Hubble has made many scientific discoveries in our own solar s...

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