08 March 2006, 03:45 PM ET
It’s crunch time for NASA’s Mars Reconnaissance Orbiter, a massive spacecraft bearing down on the red planet for a March 10 arrival after seven months of spaceflight.
10 February 2006, 06:41 AM ET
NASA?s Spirit Mars rover has arrived at a site dubbed "Home Plate" within Gusev crater. But what the robot found has left scientists puzzled.
02 February 2006, 06:53 AM ET
NASA’s revered Mars rovers, Spirit and Opportunity, are both on a roll toward new scientific objectives, but two years into their mission, the twin robots are each showing their age.
25 January 2006, 07:43 AM ET
Probably the most remarkable success in America’s space program (outside of being able to put humans on the Moon in 1969 after just eight years), has to be the story of two robotic rovers, Spirit and Opportunity, trucking around on Mars for more than two
20 January 2006, 02:48 PM ET
After nearly two months at a standstill, NASA’s Mars rover Opportunity has driven its first tentative meters with a partially stowed robotic arm.
19 January 2006, 07:00 AM ET
Mars is home to two intrepid NASA rovers, Spirit and Opportunity, featured in the IMAX documentary 'Roving Mars.' Credit: Disney/Maas Digital. Click to enlarge.
26 December 2005, 12:01 AM ET
The Mars Exploration Rovers Spirit and Opportunity have exceeded NASA’s expectations by such a large margin that 2005 was just more icing on the cake as both rovers continue to return invaluable insights into Mars’ past.
21 December 2005, 01:00 PM ET
Two new studies throw some seriously cold water on the whole water-on-Mars scenario.
14 December 2005, 01:32 PM ET
NASA’s Mars rover Opportunity has sucessfully reached out toward a Martian rock with its robotic arm, overcoming a motor glitch that prevented deployment last month.
09 December 2005, 01:06 PM ET
NASA’s Mars rover Opportunity has successfully moved its robotic arm for the first time in almost two weeks, prompting a series of discussions on the future use of the automaton’s appendage, the mission’s manager said Thursday.
20 October 2005, 07:00 AM ET
After nearly one year of rolling and scrambling up Husband Hill, NASAï¿½s Mars rover Spirit is headed back down towards new and rocky pastures.
28 September 2005, 10:49 AM ET
NASA’s Opportunity rover at Meridiani Planum has wheeled up to “Erebus Crater” – a sizable feature about 984 feet (300 meters) across.
20 September 2005, 07:00 AM ET
After slipping, sliding and slowly crawling its way to the top of a summit in the Columbia Hills, the Spirit Mars rover is having a field day gathering science and snapping imagery from the vantage point.
10 September 2005, 07:10 PM ET
Phobos and Deimos are seen cutting across the martian night sky.
07 September 2005, 09:02 AM ET
High atop Husband Hill within Gusev crater, the Spirit Mars rover is performing nighttime astronomical duties.
01 September 2005, 03:15 PM ET
NASAï¿½s Mars rover Spirit is experiencing the robotic high lifeï¿½literallyï¿½now that it has reached to top of Husband Hill after a slow, year-long climb.
26 August 2005, 07:34 AM ET
NASAï¿½s Spirit rover is sitting atop the summit of Husband Hill, with rover scientists and engineers overjoyed in achieving the exploration high point.
22 August 2005, 05:23 PM ET
NASA's Mars rover Spirit has caught a bevy of dust devils racing across the surface of Mars, which researchers compiled into a stunning new movie.
22 August 2005, 05:04 PM ET
Images being transmitted by Spirit show a breathtaking view from its vantage point.
17 August 2005, 07:02 AM ET
At its Gusev crater exploration site, the Spirit Mars rover is wheeling to the summit of Husband Hill and likely to complete its climb this week.
01 August 2005, 11:46 AM ET
The Spirit Mars rover is within striking range of attaining a once out-of-the-question mission milestone: Reaching the summit of Husband Hill at its Gusev crater exploration site, high in the Columbia Hills, named after the astronauts lost in the tragic s
19 July 2005, 02:55 PM ET
Images from Opportunity show an expanse of dunes at Meridiani Planum. Rover operators are taking precautions that the golf cart-sized robot won’t get bogged down in any sand trap—to avoid a repeat performance that halted movement of the machine last April
05 July 2005, 04:30 PM ET
NASA’s dual Mars rovers – Spirit and Opportunity – are wheeling about in their respective zones of exploration: Gusev Crater and Meridiani Planum.
29 June 2005, 01:40 PM ET
Now free to roam after weeks of being stuck in a sand trap, NASA’s Mars rover Opportunity is cautiously inspecting the troubling terrain at Meridiani Planum.
14 June 2005, 11:00 AM ET
A milestone has been reached for those hard-at-work red planet rovers, Spirit and Opportunity. Late last week, ground controllers hit 1,000 sols of working with the robots on the surface of Mars. A sol is duration of a solar day on that faraway planet.
01 June 2005, 01:01 PM ET
NASA's Spirit rover photographed a streak of light that was likely part of a martian meteor shower, scientists announced today.
24 May 2005, 05:22 PM ET
Explosions and falling rock once peppered the Martian hills that NASAï¿½s Mars rover Spirit currently calls home, astronomers said Tuesday.
28 April 2005, 08:40 PM ET
All of its six wheels have sunk in deep into a large ripple of soil.
27 April 2005, 10:43 AM ET
There is never a dull moment for a robot on Mars. A fleeting dust devil comes into view -- just right for picture taking. An outcrop of rock is found that yields insight into the planet’s past. And then there’s need to trudge over and around ever-larger s
27 April 2005, 06:48 AM ET
BOULDER, Colorado – Future hunts for past or present life on Mars, hauling back to Earth samples of martian rock and soil, as well as setting the stage for a human voyage to the red planet is taking on a decidedly European look.
15 March 2005, 08:49 PM ET
The Opportunity robot is healthy other than one problem.
08 March 2005, 06:14 AM ET
The hunt for some form of life elsewhere in our universe may spur a veritable fleet of robot orbiters, landers and rovers to study the surface of Mars in the coming years. But they might be looking in the wrong place.
19 February 2005, 09:03 AM ET
WASHINGTON, D.C. -- A rock that careened through the Martian sky and bounced to a stop on the red planet’s surface is most definitely not an alien meteorite, the principal investigator of NASA’s Mars rover mission said Friday.
15 February 2005, 04:01 PM ET
NASA's Spirit rover found a new class of rock on Mars that provides additional clues to the planet's watery past.
25 January 2005, 07:00 AM ET
Today Opportunity officially hits the one-year mark in its mission to explore Mars and send home data about the red planet's conditions and its history of water.
20 January 2005, 10:25 AM ET
The discovery of an iron meteorite sitting on Mars by NASA’s Opportunity rover has kick-started a wide-ranging discussion as to what the find may be telling us about the planet itself, past water conditions there, and just how peppered the red planet migh