California: Mars Has Water, Images Hint
633144
By ALICIA CHANG Associated Press  Video:  Possible Water Found on Mars     LOS ANGELES -- New photographs from space suggest that water occasionally flows on the frigid surface of Mars, raising the tantalizing possibility that it is hospitable to life, scientists reported Wednesday.
177067
BEIJING, Aug. 19 (Xinhuanet) -- NASA&#39;s Mars rovers have uncovered more clues about how water shaped the Red Planet, scientists said Wednesday.
596474
NASA&#39;s Mars rovers have returned new evidence for past water, pictures of Earthlike clouds seen for the first time from the planet&#39;s surface, and a rock that doesn&#39;t look like anything scientists have ever seen.
227166
Almost by accident, NASA's Mars rover Opportunity has found a rock that may point to a second water event in the red planet's past.
134713
Water once covered thousands of square miles of Mars, creating an ancient environment that hints at the possibility that life might be present there yet today, scientists reported.
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
352271
Spurred on by new evidence of water, experts announced plans to use powerful cameras to seek rock-solid proof that the liquid hasn't stopped flowing on Mars.
27992
By RANDOLPH E. SCHMID Associated Press  WASHINGTON -- An orbiting spacecraft has sent back new evidence for the presence of water on Mars.    Scientists long have debated whether water flowed on the red planet, with evidence increasing in recent years.
507554
Scientists analysing data from the Mars exploration Rover missions believe water was involved in the formation of rocks on the planet.
335466
Spirit, one of the two rovers exploring Mars, has discovered the first rock on the planet that scientists say could have formed only in water - - but whether the water was flowing, or lay like a shallow sea that came and went, remains unknown, the mission
691725
com. Researchers can now say definitively that Mars once supported a watery environment, but whether the red planet could have ever supported life is still far from certain.
211330
LOS ANGELES - NASA&#39;s Spirit rover has found more evidence of past water on the hills of Mars, while its twin, Opportunity, has observed a field of dunes inside a crater.
343198
NASA&#39;s Mars rovers have uncovered more tantalizing evidence of a watery past on the Red Planet, scientists said Wednesday. And the rovers, Spirit and Opportunity, are continuing to do their jobs months after they were expected to ...
675290
Nasa's robotic rover Spirit has found evidence that water washed and altered rocks in the hills it has been exploring on Mars.
558838
LOS ANGELES - NASA&#39;s Mars rover, Opportunity, has found more signs that rocks on the Red Planet were once submerged in water. Data sent by Opportunity suggest a crater was drenched a second time after drying out, scientists said.
174580
The US space agency NASA says one of its two rovers on Mars has found possible fresh evidence that liquid water existed there in the past.
280208
NASA&#39;s Mars rover, Opportunity, has discovered more evidence that water may have flowed over rocks on the Red Planet. Data sent back by Opportunity suggests an area known as the Meridiani Planum, was drenched