Mars cannot be called a dead planet, scientists infer from new ...
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.
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.
769618
A provocative new study of photographs taken from orbit suggests that liquid water flowed on the surface of Mars as recently as several years ago, raising the possibility that the Red Planet could harbor an environment favorable to life.
283019
It may take much longer than scientists have thought for violent turbulence to turn grains of space dust into new planets. A NASA telescope recently discovered evidence that
704622
By Warren E. Leary  Pictures of Martian gullies taken several years apart strongly suggest that water still flows at least occasionally on the surface of the planet, scientists have announced.
282158
Astronomers have yet to find an Earth-size planet beyond our solar system, but that hasn&#39;t stopped them from modeling what these worlds might look like.
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
182327
NEW YORK: Photographs taken by a spacecraft orbiting Mars indicate that active volcanoes may still exist on the red planet, further eroding its image as a dead world and offering prime sites to prospect for signs of Martian life.
144498
By ALICIA CHANG, THE ASSOCIATED PRESS  LOS ANGELES  A provocative new study of photographs taken from orbit suggests that liquid water flowed on the surface of Mars as recently as several years ago, raising the possibility that the Red Planet could harbor an environment favorable to life.
260272
A probable active glacier is identified on the surface of Mars for the first time.
103228
The longest-lasting orbiter of another world falls silent. Scientists lose hope of reviving NASA's Mars Global Surveyor, blaming a faulty solar panel for the loss. In Gear Factor.
418600
Scientists say there is no doubt that abundant water once soaked Mars. Now the big question is whether the red planet ever supported life. Some experts say the early signs are promising.
170917
The European Space Agency&#39;s Mars Express Orbiter has taken new images of Mars that suggest there has been recent volcanic activity on the surface of the red planet.
135416
Europe âs 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.
108071
The hills of Mars have yielded fresh clues about how water shaped the Red Planet. Scientists at NASA&#39;s Jet Propulsion Laboratory in Pasadena, revealed that the robotic explorers Spirit and Opportunity each made discoveries which indicate that water has ...
529798
This week, scientists f urther confirmed the presence of water on Mars, almost a year after the Mars Exploration Rovers landed on the fourth rocky planet from the sun.
488552
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. And the study hints at the possibility of a potential vast supply of petroleum products.