NASA has confirmed there is at least one lake of liquid ethane and other hydrocarbons on Saturn's largest moon, Titan. Analysis of data from the Cassini probe led to the discovery.
Titan was already a fascinating world. Comparable in size to the planet Mercury, Titan is the only moon in the Solar System that has an atmosphere-- and its atmosphere is denser than Earth's. Hydrocarbons, the building blocks of life, seem to be everywhere, making Titan a possible home for life despite its deep freeze temperatures.
The confirmed liquid lake is near Titan's south pole, and is larger than Lake Ontario. Earlier images of the surface taken by Cassini revealed lake-like structures dotting the moon. If they are all liquid, the possibility of life on Titan probably improves.
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