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This Aug. 26, 2003 image made available by NASA shows Mars photographed by the Hubble Space Telescope on the planet's closest approach to Earth in 60,000 years. Nasa/AP/Press Association Images

Life on Mars: it was possible

Nasa Curiosity Rover, which is living on the Red Planet, has taken samples of rock for analysis by scientists back home.

COULD THERE HAVE been life on Mars in the past?

It was the most important question given to the men and women behind the current Nasa mission on the planet and they now believe they have the answer.

“Yes,” says Michael Meyer, lead scientist for the exploration programme from the agency’s HQ in Washington.

An analysis of a rock sample collected by Nasa’s Curiosity rover shows ancient Mars could have supported living microbes.

Scientists identified sulfur, nitrogen, hydrogen, oxygen, phosphorus and carbon – some of the key chemical ingredients for life – in the powder Curiosity drilled out of a sedimentary rock near an ancient stream bed in Gale Crater on the Red Planet last month.

This set of images compares rocks seen by NASA’s Opportunity rover and Curiosity rover at two different parts of Mars. On the left is ” Wopmay” rock, in Endurance Crater, Meridiani Planum, as studied by the Opportunity rover. On the right are the rocks of the “Sheepbed” unit in Yellowknife Bay, in Gale Crater, as seen by Curiosity. (Image credit: NASA/JPL-Caltech/Cornell/MSSS)

The collected data indicates the Yellowknife Bay area was the end of an ancient river system or an intermittently wet lake bed. The rock is made up of a fine-grained mudstone containing clay minerals, sulfate minerals and other chemicals. This ancient wet environment, unlike some others on Mars, was not harshly oxidizing, acidic or extremely salty.

“We have found a habitable environment that is so benign and supportive of life that probably if this water was around and you had been on the planet, you would have been able to drink it,” said chief scientist John Grotzinger of the California Institute of Technology.

“We have characterized a very ancient, but strangely new ‘gray Mars’ where conditions once were favourable for life.”

Curiosity, carrying 10 science instruments, landed seven months ago to begin its two-year prime mission.

-Additional reporting by AP

More: Are humans or robots the future of space travel?

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26 Comments
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    Mute R
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    Apr 13th 2014, 10:52 AM

    Love these kind of articles, keep it up!

    185
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    Mute Kevin Butler
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    Apr 13th 2014, 10:49 AM

    The floozie should be put back on O’Connell street

    174
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    Mute TOP CAT
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    Apr 13th 2014, 11:21 AM

    It would be somewhere for the junkies to rinse their syringes…

    105
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    Mute Hank Schrader
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    Apr 13th 2014, 2:14 PM

    What happened to the Time in the Slime? Who remembers that one..

    57
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    Mute Becca Laste
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    Apr 13th 2014, 10:46 AM

    I had never seen the “Jokers Chair” it the Stardust memorial. Really nice touches :)

    54
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    Mute John Waters
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    Apr 13th 2014, 11:03 AM

    Great to see these highlighted and there in Dublin,s fair city.Have seen most of them but the one in Fr. Collin,s park is a new one to me

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    Mute Oscar Kennedy
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    Apr 13th 2014, 11:31 AM

    Nice article

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    Mute Charles
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    Apr 13th 2014, 11:28 AM

    Be good if they scrapped sean russell and put something worthwhile in its place.

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    Mute Eamonn Connaghan
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    Apr 13th 2014, 12:45 PM

    They should’ve ran live insulated wire throughout the statue and if some one tries to decapitate it again, they ll get a nasty shock.

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    Mute Charles
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    Apr 13th 2014, 1:10 PM

    Quite right. It’s important we celebrate nazi collaboration and ignoble deaths on uboats. Well done you.

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    Mute John
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    Apr 13th 2014, 11:02 AM

    What? Am I going mad or was there an article on here about coffee this morning that’s disappeared??

    I knew I shouldn’t have drank that paint thinner last night

    24
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    Mute peter
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    Apr 13th 2014, 11:51 AM

    Worked quite near to blessington street for four years and still pass it regularly and never knew that basin was there

    23
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    Mute Tom Kelly
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    Apr 13th 2014, 10:59 AM

    That Paul o Connell statue,that isn’t a Paul o Connell statue, could be a statue of Paul o Connell.

    22
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    Mute Marko Burns
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    Apr 13th 2014, 6:23 PM

    The Anna Livia would look great in the river itself. Maybe a bigger version. The Spike is just so bland and meaningless.

    22
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    Mute Dan Walsh
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    Apr 13th 2014, 2:48 PM

    Great article, well researched, thanks for your hard work

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    Mute Mary Kavanagh
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    Apr 13th 2014, 11:56 AM

    Thanks for those. Must get round to seeing these. There’s a memorial to the Stardust in Beaumont Hospital.
    The link to the Council List isn’t working on my phone. Any chance of putting up a Google map pic of the location for number 7? Thanks.

    14
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    Mute Charles J. Ahern
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    Apr 13th 2014, 7:09 PM

    Blessington Street Basin is one of my favourite places in the city. Lovely area, so peaceful and quiet, a hidden gem that I frequent when I’m home.

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    Mute Ryan Freeman
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    Apr 13th 2014, 1:04 PM

    You forgot Jedediah Springfield

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    Mute Paul Woods
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    Apr 13th 2014, 2:53 PM

    OK, so where are you hiding the sunstone…

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    Mute hjGfIgAq
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    Apr 13th 2014, 5:35 PM

    Quite right Paul (and Mary)… Updated now, with that info! Thanks for pointing it out. Daragh.

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    Mute Keith walsh
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    Apr 13th 2014, 6:30 PM

    Wouldn’t go near the peace garden at Christchurch without back up and a powerhose, scobie central.
    Like these articles tho, keep em up!

    8
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