Looking for Life in All the Wrong Places?

The past couple weeks have seen a brain-sparking series of discoveries that advance the search for life beyond Earth. Enceladus is emitting burps of methane, which strongly indicate the presence of a warm ocean under its ice (and which could, just possibly, hint at biological activity down there). Ganymede seems to have its own buried ocean, one that may contain more water than all of Earth's oceans combined. A new study shows that organisms could potentially evolve in the frigid methane lak