For the last 13 years, NASA's Cassini spacecraft has spied on Saturn and its many moons. Turns out, this region of space could hold the greatest secrets of our solar system. Here are 5 of the most ...

The Huygens probe had an acoustic sensor, basically a microphone, to try to detect thunder if you actually ... it turns out. And then Cassini used it to lock onto Huygens. You can do one critical ...

At 5 am ET on Wednesday, NASA will fly its $3.26 billion Cassini spacecraft where no spacecraft has flown before — in the deepest region of Saturn's rings between the planet and its inner-most ring.

Twenty years ago, a rocket launched from Cape Canaveral in Florida on a billion mile trek to Saturn. The photos the probe took revealed some astonishing things about Saturn, its rings and moons.