The finding could shed light on the long-debated issue of when Saturn's rings and moons formed.
Titan, Saturn's largest moon, is covered in lakes filled with liquid hydrocarbons, such as methane and ethane.
Scientists inadvertently found the 4,000-mile icy corridor while searching for methane on the giant moon.
The idea behind Shapeshifter is that a handful of individual units would work together to create a variety of modular designs, each with a different skill.
The moon's unique atmosphere is part of the reason the Cassini mission had to come to such a bitter end.
Two new papers give us the best glimpse yet at Titan's surface.
The two finalists for a future mission now have to prove their worthiness.
The clouds triggered a four-year cold snap. Talk about "winter is coming."
Don't cry too much about Cassini. Upcoming missions are going to Mars, Mercury, the Sun, Europa and several asteroids.
As a triumphant mission to Saturn ends, its lead imaging scientist recalls her favorite photographs and moments.
Cassini will hurl itself into Saturn on September 15, but it has big questions to answer first.
Molecules that might drive the production of complex organic compounds were discovered on Titan, potentially shedding light on how life on Earth got started.
Program scientist Curt Niebur explains new data from NASA's New Horizons mission.