As we have explored the solar system, we have found evidence for different kinds of oceans. Earth of course has its water oceans, while some icy moons like Europa have subsurface water oceans and Saturn’s largest moon Titan has seas and lakes of liquid methane.
Well, who would have thought? Water ice on Mercury, that scorched little planet closest to the Sun? That’s just what scientists have found, as well as organic material, at Mercury’s north pole, it was announced yesterday.