Tag Archives: astrobiology
A falling want of opportunity for life to grip Titan
There is a new possibility for life on Titan. Scientists affiliated with Cornell University have created a blueprint for a cellular lifeform that wouldn’t need water to survive. Water on Earth has been the principal ingredient of, as well as the … Continue reading
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Tagged acrylonitrile azotosome, asphaltene, astrobiology, liquid methane, methanogenic microbes, NASA Ames Research Center, phospholipid bilayer, Titan
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Hardy DNA could mean we’re aliens
A team of European scientists have shown that DNA molecules can withstand the rough temperatures and pressures that rockets experience when they reenter Earth’s atmosphere from space. Their finding is important from the perspective of meteorites and other space rocks … Continue reading
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Tagged amino acids, astrobiology, atmospheric reentry, BIOPAN, denaturization, interstellar medium, microgravity, Murchison meteorite, plasmid DNA, STONE missions, TEXUS-49
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How Venus could harbor life: supercritical carbon dioxide
A new study published in the online journal Life says a hotter, pressurized form of carbon dioxide could harbor life in a similar way water does on Earth. This is an interesting find, theoretical though it is, because it might obviate the need … Continue reading
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Tagged astrobiology, cell membranes, Dirk Schulze-Makuch, enzymes, exoplanets, molecular memory, supercritical carbon dioxide
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NASA announces Mars 2020 rover payload
On July 31, NASA announced the roster of instruments that would hitch a ride on board its planned rover to the red planet in 2020. John Grunsfeld, astronaut and associate administrator for the NASA Science Mission Directorate, Headquarters, Washington, said … Continue reading
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Tagged astrobiology, biosignatures, Mars 2020 rover, Mars Exploration Program, Mastcam Z, MEDA, MOXIE, National Aeronautics and Space Administration, RIMFAX, scientific payload
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What life on Earth tells us about life ‘elsewhere’
In 1950, the physicist Enrico Fermi asked a question not many could forget for a long time: “Where is everybody?” He was referring to the notion that, given the age and size of the universe, advanced civilizations ought to have arisen in … Continue reading
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Tagged astrobiology, Carl Sagan, Enceladus, Enrico Fermi, exoplanets, extrasolar systems, hydrocarbons, life, Saturn, starstuff, Titan
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