10 October 2011, 07:00 AM ET
Researchers previously thought a single knockout punch likely did the job.
06 October 2011, 09:50 AM ET
A look in the night skies will herald meteor showers, Io, Europa, Ganymede, Callisto and more. The peak of the Draconids meteor shower will be October 8th. with Europe getting the best view.
04 October 2011, 07:23 PM ET
Peaking under the thick atmosphere using Cassini's Visual and Infrared Mapping Spectrometer, an international team has composed a global color map of Titan. This mosaic was compiled from imagery taken over seventy flybys of Saturn's largest moon.
29 September 2011, 04:20 PM ET
See Saturn and Venus pass near each other in twilight on Thursday (Sept 29.)
22 September 2011, 07:00 AM ET
The Cassini spacecraft snapped the picture in July 2011.
12 September 2011, 09:13 AM ET
Filmmaker Chris Abbas edited this gorgeous collection of Cassini Solstice Mission images. Launched in 1997, Cassini is on a 20 year mission to study the Saturn system. Includes various close-ups of Saturn's rings and moons.
11 September 2011, 01:05 AM ET
This month's bright full moon, the Harvest Moon, peaks this weekend.
08 September 2011, 10:44 AM ET
In this space wallpaper, NASA's Cassini spacecraft obtained this unprocessed image of Saturn's moon Helene on June 18, 2011.
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.