Mars Rover's Meteorite Discovery Triggers Questions
470426
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 might be with the fallen objects.
693110
NASA's Mars rover Opportunity has found an unusual  pattern of cracking on a rock it discovered inside a Martian crater -- evidence, perhaps, that water may once have soaked parts of the crater bed, researchers said yesterday.
384341
New methane readings from a space probe raise the possibility that microbial life could exist on Mars. Some scientists, though, remain skeptical.
544589
By ALICIA CHANG   Associated Press writer  LOS ANGELES  -- For decades, scientists have scoured Mars in search of water, a basic ingredient for primitive life.   But the best clues were always tied to the ancient past when the Red Planet was warmer and wetter.
279079
A cracked rock called Escher is helping NASA scientists reconstruct the history of water on Mars. They say that the crater currently being explored by the Opportunity rover may have been shaped by a second
296459
The Mars rover Opportunity has found new evidence of past existence of water on the Red Planet, NASA said. Opportunity keeps finding new clues of past water as it continues probing Mars, said mission scientists
314799
More than 30 years ago, when NASAâs two Viking landers looked for signs of life on Mars, the results were ambiguous.
494374
The rover Opportunity will soon go over the edge into Victoria Crater in search of new hints about Marsâs ancient, and possibly wet, past.
214310
NASA&#39;s Mars rover Opportunity has found an unusual pattern of cracking on a rock it discovered inside a Martian crater -- evidence, perhaps, that water may once have soaked parts of the crater bed, researchers said yesterday.
258599
Panoramic snap reveals mystery 'figure' A Chinese website has reportedly posted the first sighting of Martian life in the form of a mysterious figure caught on camera by the Spirit rover:â¦
262885
NASA&#39;s Mars rover Opportunity has arrived at its first stop inside an expansive crater, where it is poised to reach out and touch what may be the ancient remains of the red planet&#39;s surface, mission managers said Wednesday.
689036
The most famous Mars meteorite, the Allen Hills rock with its strange, cylindrical rock segments, may not be the most intriguing.     Astrobiology Magazine -- Perhaps the most famous of the martian meteorites was discovered at Allen Hills, Antarctica, and spawned a controversy about fossil-shapes and whether Mars could once have supported more favorable conditions than today...
162425
This is Part 2 of a five-part series covering the experiences of key participants in the Mars Exploration Rover mission. JPL and NASA have developed a structured way of doing business over the years. When you have a schedule crunch like we had, it puts a lot of pressure on that approach and it's almost impossible to do.
125626
Recent analyses of ESAÃ¢ÂÂs Mars Express data reveal that concentrations of water vapour and methane in the atmosphere of Mars significantly overlap. This result provides important new hints to evaluate the hypothesis of present life on the Red Planet.
700161
THE Mars rover Opportunity has found new evidence of past existence of water on the Red Planet, NASA said today. Opportunity keeps finding new clues of past water as it continues probing Mars, said mission
548346
The Mars rover Opportunity has sent back its first color panorama of the large Martian crater it recently reached after a 21 month trek, and NASA scientists could barely contain their excitement about what they found.
158236
Ever since the unmanned spacecraft Mars Express reported the presence of methane in the Martian atmosphere, scientists have been watching the red planet with interest bordering on obsession.