Enceladus has long been considered a prime candidate in the search for life beyond Earth because of its hidden ocean and plumes of water erupting from cracks near its south pole.

It is now thought that the source of this anomaly was a phase transition in which one mineral’s structure was altered.

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Enceladus gives researchers a unique window into its subsurface world. The Cassini mission already taught us that plumes of ...

Ariel, one of Uranus' icy moons, may once have concealed a vast ocean more than 100 miles (170 kilometers) deep beneath its ...

Mars, the red planet we know today as cold, dry, and desolate, might not have always been this way. New research from the ...