But while Earth’s rivers and lakes are of liquid water, on Titan—the largest moon of Saturn—it’s liquid methane that sculpts the surface. Add Mars to the mix—where there’s a lot of ...

These vast expanses of liquid, however, are not water but hydrocarbons such as methane and ethane, forming seas, lakes, and ...

of its 2.5-hour descent onto Titan, where it landed surrounded by rounded blocks of ice. Huygens ancient saw dry shorelines reminiscent of Earth, and extensive rivers of methane. It's really cold ...

Indications suggest rivers on Titan are pure methane until they mix with ethane-rich seas, similar to Earth's freshwater rivers mixing with salty oceans. This aligns with meteorological models ...

The probe carried instruments to study Titan's smog-like atmosphere ... of methane rain and liquid flowing on Titan. Although the rivers and lakes appeared dry when Huygens touched down, evidence ...