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
17 January 2005, 08:02 AM ET
Scientists controlling the Opportunity Mars rover are taking an up-close look at an intriguing pitted rock on Mars, now dubbed "Heat Shield Rock".
04 January 2005, 07:00 AM ET
It's been a watershed year of science for the NASA Mars rover Spirit, a six-wheeled automaton that continues to probe the red planet's secrets as it clambers up the Columbia Hills.
03 January 2005, 07:00 AM ET
The Mars rover Spirit has come a long way since it hurtled down through the red planet's atmosphere and came to a bouncy, airbag-protected stop at Gusev Crater on Jan. 3, 2004. One year later, NASA celebrates.
31 December 2004, 03:47 PM ET
BOULDER, Colo. -- Like the adage here on Earth, so goes it for Mars: One person’s junk is another’s gold mine -- in this case, charred and busted up pieces of a heat shield.
27 December 2004, 09:40 AM ET
NASA’s Opportunity Mars Exploration Rover is wheeling about a field of spacecraft litter – the remains of heat shield hardware that protected the robot from its plunge through the martian atmosphere last January.
13 December 2004, 04:00 PM ET
SAN FRANCISCO - NASA's Mars rovers have returned new evidence for past water, pictures of Earth-like clouds seen for the first time from the planet's surface, and a rock that doesn't look like anything scientists have ever seen.
02 December 2004, 02:00 PM ET
The success of NASA's Mars rover Opportunity in finding tell-tale signs of past water at its Meridiani Planum landing site has left some researchers believing the region could have once been a habitable, albeit hostile, environment.
11 November 2004, 06:00 PM ET
NASA's Mars rover Opportunity will back its way out of a crater it has spent four months exploring after reaching terrain that appears too treacherous to tread.
27 October 2004, 11:26 AM ET
Those work-a-day robots – Spirit and Opportunity – remain steadfast in their Mars research duties.
21 October 2004, 06:41 PM ET
A steering problem that plagued NASAï¿½s Spirit Mars rover driving abilities has resurfaced almost two weeks after it first appeared.
15 October 2004, 06:47 AM ET
There is mounting evidence of the role of water in Mars’ evolution. That fact appears to have been favorable to the development of life -- and the leftover calling card of past biology may be preserved in that world’s geologic record.
07 October 2004, 04:00 PM ET
NASA's Mars rover Opportunity has found - almost by accident - a rock that may point to a second water event in the red planet's past. Meanwhile, it's robotic twin Spirit on the other side of the planet has overcome its recent steering glitch.
04 October 2004, 05:30 AM ET
The researchers and engineers behind NASA's double rover mission to Mars have been given a reprieve of sorts, the chance to work from home during the next six months of their extended expedition.
28 September 2004, 07:09 AM ET
The image shows a dark dot identified as the rover Spirit next to giant Bonneville Crater and the thin dark line, its tracks.
08 September 2004, 03:36 PM ET
NASA's Mars rover Opportunity found evidence for a lake or sea on Mars, and new research suggests the body of water was deep, large and long-lasting.
18 August 2004, 04:30 PM ET
The Mars rover Spirit, while some showing signs of age, has found signs that water once flowed atop the rocks of its Gusev Crater landing site. The Opportunity rover, at the bottom of Endurance Crater, has found a mysterious rock and a batch of red spheru
09 August 2004, 04:00 AM ET
A future astronaut traipsing across the landing sites of the Mars Exploration Rovers - Spirit and Opportunity ï¿½ might be squishing into a welcome mat of microbes, according to one NASA scientist.