
Lost Moon Could Solve Saturn’s Riddles
An icy moon torn apart in Saturn's gravitational field some 150 million years ago could explain why the planet's rings are so young and a host of other puzzles.

See a Rare Transit of Iapetus on July 17–18
It's tiny. It's challenging. But you won't get the chance to see Iapetus transit the globe of Saturn again until 2037!

Explore the Night with Bob King
Will Saturn Sprout Spots this Observing Season?
As Saturn returns to the morning sky, will this otherwise serene-looking planet experience another bout of severe weather? Keep your eyes peeled for white spots!

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.

Helium Rain Inside Saturn Might Shape Its Magnetic Field
A thick inner layer of slowly falling helium blobs might help explain Saturn's almost perfectly aligned magnetic field.

Jupiter and Saturn Embrace in Solstice Conjunction
Jupiter and Saturn fashion the Great Conjunction of 2020 when they pair up on December 21st, the winter solstice. That evening they'll be closest in nearly 400 years.

Jupiter and Saturn Have Historic Dusk Encounter
Don't miss the upcoming close conjunction of Jupiter and Saturn on December 21st!

Help Name Saturn’s 20 Newfound Moons
Astronomers have found 20 new moons circling Saturn — now you can help name them!

A Spoonful of Saturn to Sweeten the Night
Move over Jupiter, it's time for Saturn to shine! At opposition this week, the ringed planet is at its brightest and closest for the year.

Saturn Hasn’t Always Had Rings
Analyses of data from Cassini’s final days suggest the rings are a late addition and use them to solve a Saturnian mystery.

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.

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.

See Saturn at Its Highest & Brightest This Week
Saturn arrives at opposition on June 27th, very close to the time of full Moon.

Big Scope Breakout: New Supernovae, Novae, Bright Spot on Saturn
The sky's been bursting with exploding stars this season. Plus there's a new storm on Saturn. What's a skywatcher to do? Haul out the scope!

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.

Hello, Saturn! We're Glad You're Back
Saturn, considered by many the most beautiful sight in the sky, comes to opposition this week with its rings in full tilt. You won't want to miss it.

Cassini Spies Daphnis Making Waves
NASA's Cassini returns stunning new views of Daphnis and friends from its ring-grazing orbits.

Explore the Night with Bob King
Saturn's Splendid Summer Show
It's showtime for the King of the Rings! Time to get your telescope out to see and share Saturn, which comes to opposition this week.

Explore the Night with Bob King
Are You Game for a Dawn Conjunction?
Will you brave the cold Friday morning to witness the conjunction of Saturn and the waning Moon?