The Cassini probe has spotted what scientists say is unequivocal evidence of lakes of liquid methane on Titan, Saturn's largest moon. Radar images reveal dark, smooth patches that range in size from three to 70km across (two to 44 miles). The team says the features, which were spied in the moon's far north, look like crater or caldera lakes on Earth. The researchers tell the journal Nature that everything about the patches points to them being pools of liquid. For the full article: Click Here