The engineers never heard from it again. (The failure turned out to be due to a problem with the propulsion system.) Nothing went wrong for Cassini’s orbit insertion, as the 12-year-old photo of ...

An curved arrow pointing right. NASA's Cassini spacecraft is about to fly closer to Saturn's rings than it has since 2004. But it's not just the rings that NASA hopes to study. Video courtesy of ...

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 ...