SUNSET: 
Saturn Has a Fuzzy Core, Too
New research reveals that Saturn, like Jupiter, has a “fuzzy” core that extends 60% of the way to its surface, a finding that is changing how astronomers think about giant planets.
Future Planetary Probes Can Learn from Cassini
An unusual water composition at Saturn’s moon Phoebe means that future spacecraft will have to be on the lookout for different water ratios than we are used to on Earth.
Saturn's Moon Dione Has Some Weird Stripes
Long straight parallel lines on the satellite's surface could be droppings from Saturn's rings, one of the moons, or a passing comet, researchers suggest.
Four Things We Now Know About Saturn
Cassini gave an epic final show, going where no space probe had gone before. Here are a few interesting things we learned from that finale.
60-Second Astro News: Dust Storms on Titan, Origin of Phobos
In astronomy news this week: Dust storms are seen blowing around Titan for the first time, and new clues from old data suggest that an impact on Mars gave birth to Phobos.
NASA's Cassini Sees Saturn's Towering Polar Hexagon
Cassini's legacy sheds more light on the strange mystery of Saturn's northern polar hexagon.
AGU 2017: News from the Solar System
Here's a quick look at results announced at the 2017 American Geophysical Union meeting in New Orleans: exploding meteoroids, Saturn's ring-atmosphere connection, and more bright spots on Ceres.
Surprising Science from Cassini's Grand Finale
You'd think scientists would have Saturn all figured out after watching it up close for 13 years. They don't.
Cassini Is Gone: Its Legacy and the Future
After 13 years of orbiting the Saturn system, and 4.9 billion miles logged, the Cassini mission has ended, vaporized on re-entry into the ringed planet.
As Cassini Takes Its Final Plunge, What Will We Learn?
As Cassini dives into Saturn's atmosphere this Friday, ending 13 years of exploration, expect to probe the ringed planet's mysteries as never before.
Saturn Surprises Right Up Until Cassini's End
Saturn keeps its secrets as NASA's Cassini spacecraft heads towards its September grand finale.
Astronomy in Space with David Dickinson
Cassini Spies Daphnis Making Waves
NASA's Cassini returns stunning new views of Daphnis and friends from its ring-grazing orbits.
Looking Ahead: Space Exploration in 2017
An exciting year lies ahead for spaceflight involving astronomy and planetary science — by NASA and by other spacefaring nations.
Amazing Views of Saturn's "Polar Hexagon"
NASA's Cassini spacecraft delivers stunning views from its new orbital perch.
The Beginning of the End for Cassini
Cassini's final main engine burn this weekend sets up the first act of a grand finale.
Iapetus Comes Over to the Bright Side
Astronomers now know the secret of this moon's strange two-faced appearance, but it's still remarkable to watch the "now you see it, now you don't" performance as it moves around Saturn.
Drama at Saturn: The Birth (or Demise) of a Moonlet?
New images from NASA’s Cassini mission show bright spots along Saturn’s A ring, likely caused by a small moonlet in the process of forming or shattering.
New View of Saturn's Hexagon
NASA's Cassini spacecraft has captured phenomenal images of the gigantic weather system at Saturn's north pole. This so-called "hexagon" is nearly three times wider than Earth is.
Wave at Saturn (But Will Cassini See You?)
Cassini is taking our picture on Friday, but how much light do we humans actually reflect? We've crunched the numbers, and the answer may surprise you.
Saturn is Making Waves
Just as it's coming closest to Earth, the big ringed planet is in the news in multiple ways — including the discovery of a long-lasting hurricane at its north pole.
