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3.5 billion-year-old fossil discovered

Posted on Friday, 4 January, 2013 | Comment icon 37 comments

Image credit: USGS

Researchers have uncovered bacteria fossils so old that they predate oxygen in the Earth's atmosphere.

The fossils were found in Australia's Pilbara region and are from a time just 1 billion years after the formation of the Earth, making them the oldest visible fossils ever discovered. "I can confidently say the structures we're working on cannot be found on older rocks - until now, there has been nothing that is this well preserved," said Old Dominion University's Nora Noffke.

The find is particularly interesting to the science teams searching for evidence of ancient bacteria on Mars because NASA's curiosity rover is equipped with instruments designed to help locate similar fossils. "Our structure is one of the structures the rover is looking for - if we've found sedimentary structures like that on Earth's most well-preserved rocks, could they be on rocks of similar ages on Mars ?" said Noffke.

"Researchers have found fossils of bacteria that are nearly 3."

  View: Full article |  Source: US News

  Discuss: View comments (37)


Recent comments on this story
Comment icon #28 Posted by the L on 5 January, 2013, 21:37
And what about extremeophilies?
Comment icon #29 Posted by the L on 5 January, 2013, 21:40
No. Life is formed before plants were. Plants then produced oxygen and allow life to developed further. Evolution is skiping. Lets made oxygen.Lets go on land. Lets go into air. Lets develop intelligence. Lets...whats next?!
Comment icon #30 Posted by Rlyeh on 6 January, 2013, 2:33
No one has claimed life formed out of nothing.
Comment icon #31 Posted by Wickian on 6 January, 2013, 15:30
Lets leave planet so catastrophe no make us go extinct.
Comment icon #32 Posted by Wearer of Hats on 7 January, 2013, 4:22
You keep using that word, I do not think it means what you think it means.
Comment icon #33 Posted by Imaginarynumber1 on 7 January, 2013, 5:47
Bwahahahhahaha!!!!! Ahhh.. I haven't laughed that hard in a while. Here's a link you for you, buddy. Enjoy your trolling.
Comment icon #34 Posted by Eonwe on 7 January, 2013, 10:50
Some probably existed at some point. But to what extent, I don't know. Nothing more than bacteria, I suppose. But then again, I don't think Mars has always been the way it is. Has it?
Comment icon #35 Posted by Idano on 12 January, 2013, 21:37
Comment icon #36 Posted by kwin on 14 January, 2013, 18:26
Nothing, forms from nothing! Sounds like U are hung up on ideology. Put your religious platform aside and expand your mind, 'infinitely'. Re-examine the meaning of 'infinite'. Does anyone really believe Earth is the origin of life? A few I suppose. Our ancient history tells a different story even though some have tried to bury it under a carpet of 'mythology'. Physics has it's problems but theory still points to a 'multi-verse'. There cannot be one of anything. Everything..... on earth originated from the universe(s). The 'empiricle' evidence is... [More]

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