On Monday, after teasing about an announcement concerning "surprising activity" on Jupiter's moon Europa, NASA revealed new evidence from the ice-covered satellite.

Look, we told you it wasn't going to be aliens. On Monday, after teasing about an announcement concerning "surprising activity" on Jupiter's moon Europa, NASA revealed new evidence for water geysers shooting from the ice-covered satellite. ...

By Rachel Feltman The Washington POst 9-27-16

Plumes would be exciting because they'd probably be signs of geological activity under the ocean surface, which would mean a source of energy for potential life-forms under the alien sea. ...
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