Planets
- Planets
Lakes on Titan
Saturn's giant moon Titan appears to be sprinkled with lakes of liquid methane.
By Emily Sohn - Planets
The Way a Comet Crumbles
Astronomers are getting a close look at a comet that's falling apart as it nears the sun.
By Emily Sohn - Planets
Xena’s Mysterious Sparkle
Orbiting beyond Pluto, the recently discovered 10th planet reflects a lot of light.
By Emily Sohn - Planets
Saturn’s Strangely Warm Moon
Saturn's mysterious moon Enceladus may have liquid water close enough to its surface to produce giant geysers.
By Emily Sohn - Planets
Jupiter’s Second Red Spot
Several huge storms have merged to give Jupiter a second red spot.
By Emily Sohn - Planets
Saturn’s rings created by collision
A shattered moon may have produced Saturn's dazzling rings.
By Emily Sohn - Planets
Fiery Dust from an Icy Comet
Dust samples from a comet contain minerals that form only at high temperatures.
By Emily Sohn - Planets
Storm on Saturn
A spacecraft photographed the most powerful storm ever seen on Saturn.
By Emily Sohn - Planets
Sizing up Pluto’s moon
Pluto's rocky moon Charon appears to lack an atmosphere.
By Emily Sohn - Planets
Evidence of a Wet Mars
An orbiter provides new details about when and where liquid water existed on Mars.
By Emily Sohn - Planets
Pluto’s New Moons
Astronomers have spotted two objects that may be previously unknown moons of Pluto.
By Emily Sohn - Planets
Saturn’s Spongy Moon
Close-up views of Saturn's moon Hyperion reveal a strangely cratered surface that looks spongy.
By Emily Sohn