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  2. Life on Mars - Wikipedia

    en.wikipedia.org/wiki/Life_on_Mars

    To date, no conclusive evidence of past or present life has been found on Mars. Cumulative evidence suggests that during the ancient Noachian time period, the surface environment of Mars had liquid water and may have been habitable for microorganisms, but habitable conditions do not necessarily indicate life. [1] [2]

  3. Geysers on Mars - Wikipedia

    en.wikipedia.org/wiki/Geysers_on_Mars

    Growth process is rapid, happening in the space of a few days, weeks or months, a growth rate rather unusual in geology – especially for Mars. [14] A number of geophysical models have been investigated to explain the various colors and shapes' development of these geysers on the southern polar ice cap of Mars.

  4. Interplanetary contamination - Wikipedia

    en.wikipedia.org/wiki/Interplanetary_contamination

    Human explorers may be potential carriers back to Earth of microorganisms acquired on Mars, if such microorganisms exist. [45] Another issue is the contamination of the water supply by Earth microorganisms shed by humans in their stools, skin and breath, which could have a direct effect on the long-term human colonization of Mars. [8]

  5. Parts of Mars are too salty for Earth’s microorganisms to survive

    www.aol.com/parts-mars-too-salty-earth-100037260...

    Microorganisms from Earth traveling to Mars aboard spacecraft would struggle to survive in pockets of salty brine on the Red Planet, a new study suggests. This could be good news for the ...

  6. ‘Black Beauty’ was found on Earth in 2011. Now, scientists ...

    www.aol.com/water-ancient-mars-may-created...

    A mineral grain from a meteorite preserved evidence that water was present on Mars 4.45 billion years ago, and it may have created hot springs habitable for life. ‘Black Beauty’ was found on ...

  7. NASA’s Perseverance rover may have just found what it was ...

    www.aol.com/perseverance-rover-finds-evidence...

    The Perseverance rover has found evidence in a leopard-spotted rock that could suggest microbial life once existed on Mars billions of years ago, NASA said. NASA’s Perseverance rover may have ...

  8. Astro microbiology - Wikipedia

    en.wikipedia.org/wiki/Astro_microbiology

    Because microorganisms are the most widespread form of life on Earth, and are capable of colonising almost any environment, scientists usually focus on microbial life in the field of astrobiology. Moreover, small and simple cells usually evolve first on a planet rather than larger, multicellular organisms , and have an increased likelihood of ...

  9. Allan Hills 84001 - Wikipedia

    en.wikipedia.org/wiki/Allan_Hills_84001

    In 1996, a group of scientists found features in the likeness of microscopic fossils of bacteria in the meteorite, suggesting that these organisms also originated on Mars. The claims immediately made headlines worldwide, culminating in U.S. president Bill Clinton giving a speech about the potential discovery. [ 2 ]