Saturn's largest moon, Titan, has long puzzled scientists as a possible home for a vast underground ocean. New analysis of data from NASA's Cassini spacecraft challenges that idea. Instead of one big ...

Titan orbits farther out, moving with steady confidence, whereas Saturn has always handled itself with a sort of serene ...

Now, a study led by SETI Institute scientist Matija Ćuk proposes an explanation linking the formation of the moons and rings, centering on the possibility that Titan is the product of a moon merger.