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.
28 December 2012, 01:17 PM ET
NASA's Cassini probe has snapped stunning new views of Saturn and its moons.
21 December 2012, 07:00 AM ET
What to look for in the night sky this holiday season.
20 December 2012, 01:09 AM ET
This stunning space wallpaper shows NASA Cassini spacecraft's glorious view of Saturn, taken while the spacecraft was in Saturn's shadow.
18 December 2012, 02:50 PM ET
NASA's Cassini spacecraft captured the image on Oct. 17.
13 December 2012, 04:50 PM ET
Astronomer Giovanni Cassini discovered four of Saturn's moons, determined the distance from Earth to Mars and made successful measurements of longitude.
13 December 2012, 04:20 PM ET
Researchers are developing a mission that would assess the habitability of the icy satellite.
12 December 2012, 01:27 PM ET
The Cassini spacecraft has snapped imagery of a river similar to, but smaller than, its African counterpart on the Saturn Moon. The 250 mile long river is believed to be filled with liquid hydrocarbons.
12 December 2012, 01:10 PM ET
The hydrocarbon-filled river is more than 250 miles long, researchers say.
07 December 2012, 04:59 PM ET
Look up for three nights starting this Sunday to see the moon, Saturn and Spica together.