24 April 2013, 03:33 PM ET
The moons of Saturn — 62 in all — come in a variety of sizes and compositions.
24 April 2013, 02:37 PM ET
The names still have to be accepted by the International Astronomical Union.
24 April 2013, 07:00 AM ET
The celestial action begins tonight, when the moon sidles up to the star Spica.
22 April 2013, 05:11 PM ET
Astronomers start a month-long campaign to observe the ringed beauty of a planet.
20 April 2013, 07:00 AM ET
Astronomers will webcast live views of Saturn's auroras from Hawaii's Keck Observatory on Sunday, April 21.
19 April 2013, 05:30 PM ET
Numerous craters on Saturn's moon Tethys shine brightly, suggesting the presence of water-ice.
17 April 2013, 03:40 PM ET
Today, methane sloshes around on the surface of Titan, but the compound may vanish from Saturn's giant moon.
17 April 2013, 12:36 AM ET
The dark hot spot in this false-color space wallpaper from NASA's Cassini spacecraft is a window deep into Jupiter's atmosphere. All around it are layers of higher clouds, with colors indicating which layer of the atmosphere the clouds are in.
12 April 2013, 02:29 PM ET
With a giant crater covering much of its surface, Mimas resembles a real-life Death Star from the "Star Wars" movies.
11 April 2013, 04:31 PM ET
A seven-year fall has taken hold on Titan's southern hemisphere.
05 April 2013, 06:25 PM ET
The tiny moon Enceladus is one of the most promising potential sites for hosting life in the solar system.
05 April 2013, 04:04 PM ET
On April 5th, 1973 the Pioneer 11 spacecraft was launched from Cape Canaveral on what was originally a back up mission for the Pioneer 10. Eventually NASA made an ambitious mid-mission change to Pioneer 11's trajectory, sending it to Saturn & beyond.
05 April 2013, 06:30 AM ET
The hundreds of volcanoes on Io are farther east than they're supposed to be.
04 April 2013, 02:52 PM ET
Night sky photographer Tamas Ladanyi of The World at Night captured this stunning view over the historic city of Pécs, Hungary.
04 April 2013, 10:25 AM ET
Saturn's tilt will make this April one of the best for stargazers to view the planet's magnificent rings since 2006. Star clusters, the comet Pan-STARRS , and Jupiter will also be visible in the nights sky.
01 April 2013, 03:49 PM ET
Jupiter & Saturn, galaxies from the Leo constellation, the Lyrid Meteor Shower and a partial lunar eclipse highlights the night sky in April.
29 March 2013, 07:00 AM ET
The dazzling rings of Saturn and its moons are likely more than 4 billion years old — the cosmic remnants of the solar system's birth, scientists say.
25 March 2013, 06:00 AM ET
Photographer Greg Gibbs captured this stunning photo of an airplane cruising in front of the moon and Jupiter.
20 March 2013, 01:02 PM ET
NASA's Voyager 1 and 2 probes launched in 1977 to visit the outer planets of the solar system. After 35 years in space, the twin probes are approaching the edge of our solar system.
20 March 2013, 05:40 AM ET
Titan's northern seas could have winds raging as high as 44 miles an hour.
19 March 2013, 07:00 AM ET
A look at the robotic spacecraft currently sending data home from beyond Earth orbit.
15 March 2013, 07:00 AM ET
The Cassini probe has captured its last up-close images of Rhea, Saturn's second-largest satellite.
14 March 2013, 09:43 AM ET
The seven-year journey to Saturn begins.
04 March 2013, 02:27 PM ET
The Cassini probe's new photos show Venus gleaming over Saturn's massive shoulder.
26 February 2013, 06:22 AM ET
Cassini's observations give scientists a look at processes that occur during star explosions.
25 February 2013, 01:36 PM ET
This March, the Gemini and Cancer constellations will dominate the nights sky, while the planets Jupiter and Saturn will be visibile through telescopes.
12 February 2013, 12:21 PM ET
NASA's Voyager and Galileo missions spotted key evidence of Europa's ocean while studying the icy moon.
08 February 2013, 07:00 AM ET
Scientists have shed new light on how Saturn's largest moon Titan gets its soupy smog.
31 January 2013, 02:18 PM ET
See amazing photos of Saturn's behemoth storm from NASA's Cassini spacecraft.
17 January 2013, 07:00 AM ET
The animation was created using real data from ESA's Huygens probe.
15 January 2013, 09:59 AM ET
A new visualization of data from the Huygens probe, which landed on Saturn's largest moon on January 14, 2005, shows close-ups, multiple angles for a simulated probe's eye view.
14 January 2013, 08:32 AM ET
Find out the facts about Titan's heavy atmosphere, lakes of hydrocarbons and the possibility of life.
14 January 2013, 08:00 AM ET
Floating hydrocarbon ice would make Titan an even more intriguing target for astrobiologists.
05 January 2013, 11:00 AM ET
Skywatchers up before dawn Sunday can watch a celestial dance unfold.
03 January 2013, 06:00 AM ET
A brief rundown of the intrepid spacecraft currently sending data home from beyond Earth orbit.
31 December 2012, 09:04 AM ET
The first month of 2013 features the Auriga constellation, double star Capella, up to 40 Quadrantids per hour during the showers peak, Jupiter and Saturn.