Mars Archive
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22 December 2004, 01:00 PM ET
Images from a European space probe reveal recent glacial deposits and lava flows on Mars that suggest the red planet is more active than many scientists had thought.
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.
13 December 2004, 07:00 AM ET
Genesis here, genesis there. All the signs of water on Mars have scientists pondering a host of possibilities.
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 NASA�s 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.
13 October 2004, 06:49 AM ET
DENVER, Colo. -- The next spacecraft destined for Mars is rapidly coming together here on Earth -- an interplanetary probe that carries the most powerful instruments ever sent to the red planet.
11 October 2004, 06:30 AM ET
A new study comparing images of intriguing pits on Mars to similar features on Earth suggests the red planet might have active seismic faults today.
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.
06 October 2004, 09:29 AM ET
A steering problem disabled the Mars Rover Spirit Oct. 1, NASA officials said yesterday. The robot has not moved since.
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.
29 September 2004, 06:22 AM ET
An international team of scientists has tested their life-detection equipment on an Arctic island, which is geologically similar to Mars.
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.
28 September 2004, 07:00 AM ET
Since January, NASA’s Spirit and Opportunity robots have been wheeling and dealing with the red planet. Last week they had their driving licenses renewed for an additional six months. The science results already have changes how researchers view Mars, and
27 September 2004, 07:00 AM ET
New measurements of a tail behind Mars reveal how much air the planet loses to space every day and allow scientists to estimate the tremendous loss that may have occurred billions of years ago.
23 September 2004, 06:24 AM ET
A new test that produced methane under conditions mimicking the deep interiors of Earth and Mars lends support to an idea that the gas could theoretically support unseen colonies of microbes on both worlds.
22 September 2004, 01:49 PM ET
A new theory about ancient Mars puts some fizz back in the idea that the red planet was once warm, wet and potentially habitable.
21 September 2004, 03:30 PM ET
The Mars rovers emerged from a communications blackout period and the low point of winter today with new funding and big plans for the journey ahead.
20 September 2004, 02:12 PM ET
Europe’s Mars Express is gathering data regarding the geological and atmospheric processes on the red planet -- information that might shore up the case that present-day life is percolating subsurface.
16 September 2004, 07:00 AM ET
NASA’s Genesis sample capsule not only stirred up dust and dirt when it crash landed in Utah last week, but also debate concerning the return to Earth of future extraterrestrial samples – specifically from Mars.
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.
24 August 2004, 02:00 AM ET
Sniffing out any whiff of biology on Mars has become a scientific battle of the bands – spectral bands that is.
23 August 2004, 07:00 AM ET
Robonaut B, a robot built with human-like hands and television camera eyes, now has the option of rolling around Earth on a modified two-wheeled Segway scooter or grappling the International Space Station (ISS) with what researchers call a "space leg."
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
11 August 2004, 07:00 AM ET
NASA has committed itself to the study of a number of far-out propulsion methods over the years to advance space exploration. But researchers are hoping the agency's new Propulsion Research Center will help scientists move at least some of those new metho
09 August 2004, 04:00 AM ET
A future astronaut traipsing across the landing sites of the Mars Exploration Rovers - Spirit and Opportunity � might be squishing into a welcome mat of microbes, according to one NASA scientist.
04 August 2004, 07:04 PM ET
Both of NASA's Mars rovers experienced problems this week as they enter unknown engineering territory, operating well beyond their what the original blueprints called for.
03 August 2004, 07:00 AM ET
Those twin robots hard at work on Mars have transmitted teasing views that reinforce the prospect that microbial life may exist on the red planet.
02 August 2004, 07:30 AM ET
For those who want to explore Mars but can’t wait for a spacecraft to take them there, NASA scientists have reformulated a website that lets the general public search data and images from previous missions.
29 July 2004, 01:52 PM ET
NASA issued this week a Broad Agency Announcement (BAA) focused on what's needed in human and robotic technology to put into high gear any Moon, Mars, and beyond space exploration.
17 February 2004, 02:00 PM ET
Water was common across a vast region of ancient Mars, creating habitable conditions for long stretches of time billions of years ago, scientists said Thursday.
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