Methane on Mars causes controversy
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Methane and water vapour are concentrated in the same regions of the Martian atmosphere, say scientists studying data from Europe&#39;s Mars Express orbiter.
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Mars shows signs of geologically recent volcanic activity, and scientists find to their surprise that there might well be another volcanic blast in the Red Planet&#39;s future.
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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. The presence of water would raise the possibility of at least primitive life forms existing there.
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Data sent back by the Huygens space  probe from the Saturnian moon Titan show a frozen, orange world  shrouded in a methane-rich haze with dark ice rocks dotting a  riverbed-like surface the consistency of wet sand, scientists  said on Saturday.
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NASA sees hint of liquid water on Mars    WASHINGTON, Dec. 6 (Xinhua) -- Images sent back by NASA's Mars Global Surveyor orbiter suggest the existence of liquid water on Mars which heightens the potential for microbial life on the Red Planet, NASA scientists said on Wednesday.
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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
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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.
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Sniffing out any whiff of biology on Mars has become a scientific battle of the bands - spectral bands that is. The purported detection of methane in the martian atmosphere by Mars Express, the European
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A little NASA Mars rover has come across soil that scientists said on Tuesday suggests hot springs may have percolated long ago on the Martian surface, providing an environment conducive to life.
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The surface of Mars is now obscured by a globe-engulfing veil of dust, officials report, posing a potentially longer-lasting threat to the plucky NASA rovers on the planet&#39;s surface.
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SAN FRANCISCO, Calif. -- Hunting for traces of life on Mars calls for two radically different strategies, says Arizona State University professor Jack Farmer.
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Ice caps are melting on both Earth and Mars. According to one researcher's controversial theory, this suggests that global warming has nothing to do with humankind.
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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.
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LOS ANGELES: New photographs from space suggest that water occasionally flows on the frigid surface of Mars, raising the tantalizing possibility that the Red Planet is hospitable to life, scientists reported.
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US scientists have found new data showing patterns of water and methane on Mars could improve the chances life once existed there.
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Data obtained by the ESA probe Mars Express and the US spacecraft Mars Odyssey show that in some equatorial locations, low-atmosphere levels of water vapor and methane &quot;significantly overlap,&quot; says the ESA.
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Something strange is happening on Mars. It seems something or someone is cleaning the windows on one of two rovers probing the surface of the red planet.