05 September 2011, 12:30 AM ET
The Cassini spacecraft has been studying Saturn and its moons since it entered orbit in 2004.
30 August 2011, 07:40 AM ET
Of all Saturn's moons, Hyperion may be the weirdest.
19 August 2011, 09:28 PM ET
Check out a galaxy that glows green from within, a big splash at NASA and Stephen Colbert goes nuts for space.
19 August 2011, 12:03 PM ET
Saturn is one of the coolest planets in our solar system, so it's no wonder that its moons are equally compelling
15 August 2011, 09:45 AM ET
One of the most well-known planets in the solar system is still hiding many mysteries of its formation and history.
09 August 2011, 04:40 PM ET
See close-up photos of Mimas, Saturn's Death Star-like moon, from the Cassini spacecraft.
05 August 2011, 01:27 AM ET
NASA's Juno probe is the 9th spacecraft aimed at Jupiter. See the history of robotic exploration of Jupiter.
04 August 2011, 05:50 PM ET
NASA's new Juno probe will make the ninth spacecraft to visit the solar system's largest planet.
29 July 2011, 12:39 PM ET
Is this strange impact crater the result of a spacecraft that crash landed on the moon decades ago?
29 July 2011, 07:00 AM ET
Earth's moon may be unique throughout the universe.
29 July 2011, 07:00 AM ET
Saturn's rings may not be unique to our solar system.
26 July 2011, 01:36 PM ET
New findings reveal that Enceladus is the only moon in the solar system known to influence the chemical composition of its parent planet.
25 July 2011, 11:07 AM ET
Researchers were surprised to find the dwarf planet Haumea and at least one of its moons covered with crystalline water ice.
20 July 2011, 03:33 PM ET
Mercury is reaching its eastern most point in the night sky tonight.
13 July 2011, 12:18 PM ET
As Prometheus tangos past, particles in Saturn's outermost "F-Ring" resonate into long-patterned movements induced by the small moon's gravity. This animation shows glimpses of the effects over a 60+ day period.
06 July 2011, 04:21 PM ET
NASA's Cassini spacecraft sent images and thunderous sounds from a gigantic storm on Saturn which at one point covered approximately 2 billion square miles of the planet.
01 July 2011, 03:06 PM ET
Scientists struggle to launch planetary missions without giving up a robotic arm and a leg.
25 June 2011, 12:28 AM ET
From Pluto to the bowels of the sun, check out the best space photos for the week of June 27, 2011.
22 June 2011, 01:01 PM ET
Geysers exploding from the surface of Saturn's moon, Enceladus, reveal their source is an underground ocean.
21 June 2011, 03:54 PM ET
A NASA spacecraft has captured a stunning new image of a small, icy Saturn moon.
20 June 2011, 07:58 PM ET
It has been five years since Nix and Hydra, Pluto's tiny moons, were named. Mysteries still abound with the pair.
16 June 2011, 10:21 AM ET
An instrument on the Cassini spacecraft at Saturn is offline, most likely due to a short circuit, NASA says.
15 June 2011, 06:00 AM ET
A European space telescope has found 10 new alien planets, including two Neptune-like objects orbiting the same star.
09 June 2011, 11:37 AM ET
Saturn forms two night sky triangles this month, one with stars and the other with the moon.
03 June 2011, 12:03 PM ET
The binary star Porrima is offering a rare chance to resolve its twin stars through a small telescope this month.
02 June 2011, 10:34 AM ET
Future missions to the Saturn moon Titan may look for lightning in a novel way — by searching for its rumbling companion, thunder.
25 May 2011, 07:10 PM ET
NASA will launch the robotic OSIRIS-REx mission in 2016.
25 May 2011, 01:56 PM ET
NASA will unveil a new science mission today (May 25) at 4 p.m. ET.
19 May 2011, 03:18 PM ET
Beginning this month there will be a long series of double shadow transits on Jupiter.
19 May 2011, 02:00 PM ET
A monster storm on Saturn is giving astronomers a rare glimpse into the mechanics of the planet's atmosphere.
13 May 2011, 10:29 AM ET
Saturn, the moon and a bright star team up for a night sky triangle this weekend.
09 May 2011, 08:52 AM ET
The shores of Ontario Lacus lake in the Southern Hemisphere of Saturn's moon Titan has very familiar features, surprising being that it is 800,000,000 miles away and 289° below 0°F.
08 May 2011, 01:00 PM ET
An untold number of cosmic impacts could have created the mysteriously thick atmosphere on Titan.
06 May 2011, 11:45 AM ET
Which mission will win a 2016 launch? Robotic probes to Saturn's moon Titan, Mars and a comet face off.
03 May 2011, 07:30 AM ET
A huge ocean of liquid water may slosh about beneath the frigid surface of Saturn's moon Titan, according to a new study.
29 April 2011, 04:25 PM ET
It may be decades before humanity sets foot on Mars, but we're only five years away from sampling space beyond our solar system for the first time.