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Keyword: extremophile

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  • ...Antarctic fungi survives Martian conditions...strapped outside the space station for 18 months

    01/28/2016 6:28:56 PM PST · by BenLurkin · 9 replies
    daily mail uk ^ | 01/25/2016 | cheyenne macdonald
    After a year-and-a-half long voyage aboard the International Space Station, a group of fungi collected from Antarctica has proven its ability to withstand harsh, Mars-like conditions. More than half of the cells remained intact over the course of the 18-month study, providing new insight for the possibility of life on Mars. These fungal samples, along with lichens from Spain and Austria, have allowed European researchers to assess the survivability and stability of microscopic lifeforms on the red planet. The tiny fungi taken from Antarctica are typically found in the cracks of rocks in this dry, hostile region. Scientists took samples...
  • Russia finds 'new bacteria' in Antarctic lake

    03/07/2013 9:51:30 AM PST · by Red Badger · 41 replies
    Phys.Org ^ | 03-07-2013 | Staff
    Russian scientists believe they have found a wholly new type of bacteria in the mysterious subglacial Lake Vostok in Antarctica, the RIA Novosti news agency reported on Thursday. The samples obtained from the underground lake in May 2012 contained a bacteria which bore no resemblance to existing types, said Sergei Bulat of the genetics laboratory at the Saint Petersburg Institute of Nuclear Physics. "After putting aside all possible elements of contamination, DNA was found that did not coincide with any of the well-known types in the global database," he said. "We are calling this life form unclassified and unidentified," he...
  • Ocean bubbles up to surface of Jupiter's moon Europa

    03/06/2013 10:01:01 PM PST · by BenLurkin · 12 replies
    Space.com ^ | By Mike Wall
    The huge ocean sloshing beneath the icy shell of Jupiter's moon Europa likely makes its way to the surface in some places, suggesting astronomers may not need to drill down deep to investigate it, a new study reports. Scientists have detected chemicals on Europa's frozen surface that could only come from the global liquid-water ocean beneath, implying the two are in contact and potentially opening a window into an environment that may be capable of supporting life as we know it. "We now have evidence that Europa's ocean is not isolated ó that the ocean and the surface talk to...
  • Astronomy Picture of the Day -- Tardigrade in Moss

    03/06/2013 4:58:16 PM PST · by SunkenCiv · 31 replies
    NASA ^ | March 06, 2013 | (see photo credit)
    Explanation: Is this an alien? Probably not, but of all the animals on Earth, the tardigrade might be the best candidate. That's because tardigrades are known to be able to go for decades without food or water, to survive temperatures from near absolute zero to well above the boiling point of water, to survive pressures from near zero to well above that on ocean floors, and to survive direct exposure to dangerous radiations. The far-ranging survivability of these extremophiles was tested in 2011 outside an orbiting space shuttle. Tardigrades are so durable partly because they can repair their own DNA...
  • NASA Scientist Discovers New Species Of Organism In Mars-like Environment

    07/31/2003 1:25:08 PM PDT · by LibWhacker · 18 replies · 425+ views
    ScienceDaily ^ | 7/31/03
    They thrive without oxygen, growing in salty, alkaline conditions, and may offer insights into what kinds of life might survive on Mars. They're a new species of organism, isolated by scientists at the National Space Science and Technology Center (NSSTC) in Huntsville, Ala. The discovery, published in the May 2003 issue of the International Journal of Systematic and Evolutionary Microbiology, identifies a species named Spirochaeta americana by the two NSSTC scientists -- Richard Hoover and Dr. Elena Pikuta. They isolated this new organism from oxygen-deprived mud sediments from Northern California's Mono Lake - a salty, alkaline lake in an enclosed...