The finding could shed light on the long-debated issue of when Saturn's rings and moons formed.
Data from the Cassini mission have revealed molecules in ice grains emanating from the icy, water-rich world.
Data from Cassini's "death dive" reveals Saturn's rings could be just 10 million years old.
The hexagon is essentially a swirling system of air currents and turbulent weather that has lasted for decades.
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 the two-decade mission draws to a close, what has it revealed about the second largest planet in our solar system?
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.
The spacecraft is conducting a series of unprecedented final orbits before it burns up on September 15.
Molecules that might drive the production of complex organic compounds were discovered on Titan, potentially shedding light on how life on Earth got started.
The spacecraft has already provided NASA with much new data. Now it is on its way through the rings of Saturn to the end of its mission.
NASA scientists announced today that Enceladus, the sixth-largest moon of Saturn, has hydrothermal vents that are actively releasing hydrogen. Because such ecosystems are known to support life, the discovery confirms that Enceladus is a habitable environment.