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  2. Life on Mars - Wikipedia

    en.wikipedia.org/wiki/Life_on_Mars

    Life on Mars. The possibility of life on Mars is a subject of interest in astrobiology due to the planet 's proximity and similarities to Earth. 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 ...

  3. Extraterrestrial life - Wikipedia

    en.wikipedia.org/wiki/Extraterrestrial_life

    However, he also considered that the conditions found on Mars were incompatible with carbon based life. Even if extraterrestrial life is based on carbon and uses water as a solvent, like Earth life, it may still have a radically different biochemistry. Life is generally considered to be a product of natural selection.

  4. Nasa might have found evidence of past life on Mars - AOL

    www.aol.com/nasa-might-found-evidence-past...

    Nasa may have found evidence of past alien life on Mars. The space agency says that its rover , Perseverance , has found a rock that might once have been host to microbial life, billions of years ago.

  5. Allan Hills 84001 - Wikipedia

    en.wikipedia.org/wiki/Allan_Hills_84001

    Allan Hills 84001 (ALH84001[1]) is a fragment of a Martian meteorite that was found in the Allan Hills in Antarctica on December 27, 1984, by a team of American meteorite hunters from the ANSMET project. Like other members of the shergottite – nakhlite – chassignite (SNC) group of meteorites, ALH84001 is thought to have originated on Mars.

  6. Ingenuity (helicopter) - Wikipedia

    en.wikipedia.org/wiki/Ingenuity_(helicopter)

    Ingenuity, nicknamed Ginny, is an autonomous NASA helicopter that operated on Mars from 2021 to 2024 as part of the Mars 2020 mission. Ingenuity made its first flight on April 19, 2021, demonstrating that flight is possible in the extremely thin atmosphere of Mars, and becoming the first aircraft to conduct a powered and controlled extra-terrestrial flight.

  7. Fermi paradox - Wikipedia

    en.wikipedia.org/wiki/Fermi_paradox

    This is an accepted version of this page This is the latest accepted revision, reviewed on 15 September 2024. Discrepancy between lack of evidence of advanced alien life and apparently high likelihood it exists This article is about the absence of clear evidence of extraterrestrial life. For a type of estimation problem, see Fermi problem. Enrico Fermi (Los Alamos 1945) The Fermi paradox is ...

  8. List of artificial objects on Mars - Wikipedia

    en.wikipedia.org/wiki/List_of_artificial_objects...

    China's Tianwen-1 spacecraft is the most recent artificial object to land safely on Mars. The table does not include smaller objects, such as springs, fragments, parachutes and heat shields. As of February 2021, there are 14 missions with objects on the surface of Mars. Some of these missions contain multiple spacecraft. Interactive image map ...

  9. Search for extraterrestrial intelligence - Wikipedia

    en.wikipedia.org/wiki/Search_for...

    The search for extraterrestrial intelligence (SETI) is a collective term for scientific searches for intelligent extraterrestrial life, for example, monitoring electromagnetic radiation for signs of transmissions from civilizations on other planets. [ 1 ][ 2 ][ 3 ] Scientific investigation began shortly after the advent of radio in the early ...