Ammonia clues on Europa rekindle hunt for a habitable ocean

TL;DR
A new look at Galileo data detected faint ammonia near Europa’s fractures, implying a subsurface ocean or ammonia-laden shallow layers and boosting the case for habitability; the upcoming Europa Clipper mission will continue to search for chemical signs of life.
- Life-friendly molecules are leaking out of Jupiter's giant moon Europa, Galileo images hint Live Science
- Cracks on Europa sport traces of ammonia Phys.org
- NASA’s Galileo Mission Points to Ammonia at Europa, Recent Study Shows NASA Science (.gov)
- Europa’s quiet seafloor The Planetary Society
- Imagining Life on Jupiter’s Moons The Provincetown Independent
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