A theory involving a "mushy zone" of ice along the moon’s fissures could explain the enormous plumes erupting from its south pole.

The view was acquired on Sept. 14, 2017 at 19:59 UTC (spacecraft event time). The view was taken in visible light using the Cassini spacecraft wide-angle camera at a distance of 394,000 miles (634,000 kilometers) from Saturn. Image scale is about 11 miles (17 kilometers).

Here's everything you need to know about why Saturn's rings are about to disappear — and when they will return.

Why Has No Rocket Surpassed Saturn V? Despite advances in technology, no rocket has matched Saturn V’s power and size. But why? Was it too expensive? Too complex? Or was it simply perfect for its time?

Saturn's iconic ring system will disappear, albeit temporarily, on March 23—a preview of its fate in 100 million years.

The document builds on the academies' decadal survey, outlining recommended missions for NASA's next New Frontiers program.

After Friday's spectacle, a "planet parade" of this size won't appear in the night sky for several years, experts say.

A pair of extraordinary space missions that have been headed out of the solar system for almost half a century are getting a new lease on life as NASA engineers order the Voyager 1 and 2 deep-space probes to shut down two instruments to save power.

The world’s premier space observatory has spotted a mysterious and huge, free-floating planetary-mass object that’s “just 20 light-years from Earth,” NASA announced. Researchers recently used the James Webb Space Telescope to study the atmosphere of this “Super Jupiter,” dubbed SIMP 0136.