22 December 2005, 03:21 PM ET
Astronomers have discovered new rings and small moons around Uranus and found surprising changes in satellite orbits around the giant planet.
19 December 2005, 06:44 AM ET
A swath of space beyond Neptune is getting stranger all the time as astronomers find an ever-more diverse array of objects, orbits and groupings.
02 December 2005, 01:11 PM ET
NASA announced two new cash prizes Friday, each with a weighty $250,000 purse, in a pair of contests aimed at developing robotic systems for space exploration.
30 November 2005, 05:11 PM ET
A new series of reports from Huygens reveals more of Titan's secrets.
28 November 2005, 07:00 AM ET
Ever since Voyager 1 returned detailed images of Saturn's F ring back in 1980, astronomers have struggled to understand its bizarre features.
31 October 2005, 01:01 PM ET
Two small moons have been discovered orbiting Pluto, bringing the planet's retinue of known satellites to three and leaving scientist to wonder how it could be.
21 October 2005, 06:48 AM ET
Vandenberg Air Force Base is a sprawling space and missile hub, located on California's Central Coast. It is home base for an evolving story of “missilering” at its best, along with carrying out spacelift operations from the Cold War to today’s developmen
20 October 2005, 10:28 AM ET
The mighty Titan -- a pillar in American rocketry for five decades -- flew into orbit for the final time Wednesday, capping a distinguished career of heavy-lifting that has spanned the nation's space age.
30 September 2005, 01:09 PM ET
New Cassini images of Saturn's moons Hyperion and Tethys.
17 September 2005, 02:02 PM ET
A long-sought feature on the smoggy moon suggest a sea and rivers of methane or other hydrocarbons.
15 September 2005, 07:00 AM ET
The Cassini spacecraft orbiting Saturn has finally spotted spokes cutting across the planet’s rings, a phenomenon astronomers have long hoped their plucky orbiter might find.
13 September 2005, 06:25 AM ET
Recent findings from NASA’s Cassini spacecraft and new discoveries about organisms here on Earth that thrive in extreme conditions are causing scientists to rethink the possibility that there may be life on Saturn's cloudy moon Titan.
10 September 2005, 07:10 PM ET
Phobos and Deimos are seen cutting across the martian night sky.
17 August 2005, 02:20 PM ET
New Cassini data reveals that Saturn’s rings have their own oxygen atmosphere.
15 August 2005, 06:22 AM ET
The recent discovery of a hot spot on Saturn's moon Enceladus could explain an old mystery, but it also presents a new puzzle of its own.
08 August 2005, 02:08 AM ET
Proponents of small satellites say that tiny spacecraft have potentially big roles to play in planetary exploration.
26 July 2005, 06:18 AM ET
Rare occultation may reveal new information on Pluto’s moon Charon.
28 June 2005, 02:32 PM ET
You might have thought Saturn's moon Titan was a somewhat dead issue after the Cassini spacecraft did not find convincing evidence for methane seas that scientists had predicted would exist.
24 June 2005, 06:41 AM ET
Saturn, Venus and Mercury gather for an eyecatching sight.
14 June 2005, 06:42 AM ET
BOULDER, Colorado – In the wake of the success if the Cassini mission to Saturn, there is overwhelming support for dispatching a spacecraft to Jupiter’s moon, Europa – an ice-covered world that may support an ocean, possibly teeming with life. Another hig
08 June 2005, 01:07 PM ET
Scientists think they've spotted a source of Titan's methane.
07 June 2005, 07:00 AM ET
Most television science fiction shows fling humans out to the vast reaches of the galaxy, but "Voyage to the Planets and Beyond" is content with exploring our own planetary backyard.
25 May 2005, 01:00 PM ET
New computer model finds possible reason behind an ancient bombardment of the Moon, plus neatly explains how the giant planets came to travel their current paths.
25 May 2005, 12:09 PM ET
Saturn reflects X-rays from solar eruptions, astronomers said today. Previous observations found the same phenomenon at Jupiter.
06 May 2005, 05:43 AM ET
Both planets are bright and easy to find in the evening sky.
11 April 2005, 12:38 AM ET
The final Titan rocket to fly from Cape Canaveral, originally scheduled for this past weekend, is searching for a new launch date after encountering trouble with balky ground equipment.
11 March 2005, 04:59 PM ET
Scientist aren't sure what the interiors of Jupiter and Saturn
look like or how the planets formed. But a new study of their insides
suggests they took starkly different paths to giant status.
07 March 2005, 05:01 AM ET
Planets may form in stable rings that develop in the swirling, turbulent gas disks around young stars.
01 March 2005, 06:29 AM ET
A host of new images and data reveal new rings, possible moons, and oxygen in the planet's rings.
16 February 2005, 01:00 PM ET
Researchers expected Saturn's aurora to have characteristics in between the lights of Earth and Jupiter. Instead, they found some surprises.
09 February 2005, 08:00 AM ET
U.S. and European researchers are lauding the effectiveness of a network of ground-based telescopes that has apparently salvaged a wind experiment feared lost during a mission to the surface of Saturn’s moon Titan.
28 January 2005, 07:00 AM ET
With the bright Moon having departed the evening sky, this is the week to enjoy Saturn.
21 January 2005, 07:45 AM ET
PARIS-- Scientists piecing together data from Europe's Huygens probe to Saturn's moon Titan described the hazy satellite today as an environment in which a frequent rain of liquid methane falls through a thick smog onto hills made of water ice.
18 January 2005, 02:50 PM ET
In addition to the soft landing, material that appears to have accumulated on the camera lens in the final images suggests the weight of the 320-kilogram (705-pound) probe may have pulled it into the muddy surface.
15 January 2005, 09:05 AM ET
14 January 2005, 03:30 PM ET
DARMSTADT, Germany -- The first pictures revealing the surface of Saturn's moon, Titan, were shown from Europe's Huygens probe showing what look like drainage channels on the surface of what until today has been a planet totally hidden from view.