NASA’s Cassini spacecraft is headed toward its Sept. 15 plunge into Saturn, following a final, distant flyby of the planet’s giant moon Titan. The spacecraft made its closest approach to Titan today ...

Saturn's moon Enceladus is a frozen world, but it isn't frozen solid. Colossal cryovolcanoes near the ice-locked moon's south pole send plumes from its briny global ocean so far into space that they ...

NASA’s Cassini spacecraft has begun transmitting data and images from the mission’s final close flyby of Saturn’s active moon Enceladus. Cassini passed Enceladus at a distance of 3,106 miles (4,999 ...