Saturn TOP STORY

NASA Scientists Find Impossible Cloud on Titan - Again

© NASA

NASA Scientists Find Impossible Cloud on Titan - Again.

The puzzling appearance of an ice cloud seemingly out of thin air has prompted NASA scientists to suggest that a different process than previously thought -- possibly similar to one seen over Earth's poles -- could be forming clouds on Saturn's moon Titan.


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Cassini Begins Final Year at Saturn

© NASA

Saturn

After more than 12 years studying Saturn, its rings and moons, NASA's Cassini spacecraft has entered the final year of its epic voyage.

Titan's Dunes and Other Features Emerge in New Images

Titan's Dunes and Other Features Emerge in New Images

New scenes from a frigid alien landscape are coming to light in recent radar images of Saturn's largest moon, Titan, from NASA's Cassini spacecraft.


Flooded Canyons on Titan

Flooded Canyons on Titan

NASA's Cassini spacecraft has found deep, steep-sided canyons on Saturn's moon Titan that are flooded with liquid hydrocarbons.


Watching Saturn's Rings Warp

Watching Saturn's Rings Warp

Saturn's A and F rings appear bizarrely warped where they intersect the planet's limb, whose atmosphere acts here like a very big lens.


An Ocean Lies Just Below Enceladus's Icy Surface

An Ocean Lies Just Below Enceladus's Icy Surface

With eruptions of ice and water vapor, and an ocean covered by an ice shell, Saturn's moon Enceladus is one of the most fascinating in the solar system


Epimetheus As Seen By Cassini

Epimetheus As Seen By Cassini

Life is hard for a little moon. Epimetheus, seen here with Saturn in the background, is lumpy and misshapen, thanks in part to its size and formation process.


There Is A Disruption In Saturn's F Ring

There Is A Disruption In Saturn's F Ring

A bright disruption in Saturn's narrow F ring suggests it may have been disturbed recently.


Stellar Occultation Used To Study Enceladus' Plumes

Stellar Occultation Used To Study Enceladus' Plumes

During a recent stargazing session, NASA's Cassini spacecraft watched a bright star pass behind the plume of gas and dust that spews from Saturn's icy moon Enceladus.


Saturn's Criss-Crossed Rings

Saturn's Criss-Crossed Rings

At first glance, Saturn's rings appear to be intersecting themselves in an impossible way.


Saturn Spacecraft Samples Interstellar Dust

Saturn Spacecraft Samples Interstellar Dust

NASA's Cassini spacecraft has detected the faint but distinct signature of dust coming from beyond our solar system.


Past and Present Moons of Saturn

Past and Present Moons of Saturn

Saturn's beautiful rings form a striking feature, cutting across this image of two of the planet's most intriguing moons.


Titan's Tallest Mountains

Titan's Tallest Mountains

In a nod to extraterrestrial mountaineers of the future, scientists working on NASA's Cassini mission have identified the highest point on Saturn's largest moon, Titan.


The Youthful Surface of Enceladus

The Youthful Surface of Enceladus

NASA's Cassini spacecraft captured this view of Saturn's moon Enceladus that shows wrinkled plains that are remarkably youthful in appearance, being generally free of large impact craters.


Tethys and Janus

Tethys and Janus

Although Tethys and Janus both orbit Saturn and are both made of more or less the same materials, they are very different worlds. Their contrasts are related, in large part, to their sizes.


Tethys, Enceladus and Mimas

Tethys, Enceladus and Mimas

Three of Saturn's moons -- Tethys, Enceladus and Mimas -- are captured in this group photo from NASA's Cassini spacecraft.


Saturn's Rings - Less than Meets the Eye?

Saturn's Rings - Less than Meets the Eye?

It seems intuitive that an opaque material should contain more stuff than a more translucent substance.


Viewing Methane On Saturn

Viewing Methane On Saturn

The soft, bright-and-dark bands displayed by Saturn in this view from NASA's Cassini spacecraft are the signature of methane in the planet's atmosphere.



More top stories from September.