News tagged with martian soil

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Viking landers did detect organics on Mars

(PhysOrg.com) -- In 1976 the NASA Viking landers took samples of soil on Mars and tested them for signs of organic carbon. A reinterpretation of the results now suggests the samples did contain organic compounds, ...

Jan 06, 2011 report
4.5 / 5 (52) 33 | with audio podcast

Mars was Wet, but was it Warm?

Mars is frozen today, but when it was young there may have been liquid water on its surface. What does the latest evidence indicate about the ancient martian climate? Understanding the past environment of ...

May 31, 2010
4.9 / 5 (11) 10 | with audio podcast

The Meandering Channels of Mars

Sinuous channels on the Martian surface may be evidence of relatively recent rainfall. Researchers plan to test this hypothesis by studying sinuous streams on Earth.

Dec 10, 2009
4.2 / 5 (6) 5

A Tale of Planetary Woe (w/ Video)

Once upon a time — roughly four billion years ago — Mars was warm and wet, much like Earth. Liquid water flowed on the Martian surface in long rivers that emptied into shallow seas. A thick atmosphere ...

Nov 11, 2009
4.2 / 5 (11) 5

Dust Storm Passing Over Spirit

(PhysOrg.com) -- The amount of electricity generated by the solar panels on Spirit has been declining for the past several Martian days, or sols, as a regional dust storm moved southward and blocked some of ...

Aug 26, 2009
5 / 5 (4) 0
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