17 June 2013, 02:42 PM ET
Ligeia Mare, shown here in this stunning false-color space wallpaper from the international Cassini mission, is the second largest known body of liquid on Saturn's moon Titan. It is filled with liquid hydrocarbons, such as ethane and methane.
12 June 2013, 01:43 PM ET
The moon, Saturn and the bright star Spica shine together.
11 June 2013, 12:49 PM ET
Fusion could potentially open vast swathes of the solar system to manned exploration.
10 June 2013, 02:23 PM ET
Astronomers shared the planets and stars with the Indiana public last week.
10 June 2013, 06:00 AM ET
Dione may once have had a subsurface ocean, scientists say.
07 June 2013, 06:48 AM ET
These exotic worlds stop their inward migration after their orbits circularize.
06 June 2013, 05:25 PM ET
Titan, like Earth, has a haze of polycyclic aromatic hydrocarbons, or PAHs.
24 May 2013, 01:00 PM ET
The global topographic map of Titan offers an unprecedented look at the surface of Saturn's largest moon.
21 May 2013, 04:14 PM ET
Glowing Saturn will be close to the gibbous moon.
21 May 2013, 12:00 PM ET
Scientists are studying other rocky planets and moons to better understand Earth.
20 May 2013, 07:00 AM ET
The iconic city as seen through other planets' air.
20 May 2013, 07:00 AM ET
The project showcases the diversity of worlds in our solar system.
03 May 2013, 01:28 PM ET
Layers of gas on Saturn act as insulation, preventing heat from escaping.
01 May 2013, 02:16 PM ET
This amazing space wallpaper shows a close-up view of Saturn’s north-pole hurricane, as seen by the international Cassini spacecraft. The image reveals the intricate detail of cloud formations in this dynamic feature.
29 April 2013, 03:04 PM ET
The storm's eye spans a whopping 1,250 miles.
27 April 2013, 07:00 AM ET
Telescopes in the Canary Islands will broadcast a live view.
25 April 2013, 02:52 PM ET
Saturn will be the closer to Earth the night of April 28th than at any time in 2013, what astronomers call an 'opposition' because the ringed giant and the sun will be on opposite sides of the Earth, making it a great opportunity to view the planet.
25 April 2013, 02:35 PM ET
This stunning space wallpaper shows a patchwork network of frozen ridges and troughs that cover the face of Enceladus, Saturn’s most enigmatic of icy moons.
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.