Tag Archives: life

Can methanogens survive on Mars?

Researchers at the University of Arkansas recently took a step toward answering a question for the ages: Is there life on Mars? Answer: they can’t rule it out. Two recent publications suggest that life, in the form of ancient, simple … Continue reading

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Curiosity findings from Yellowknife Bay sharpen CO2 paradox of ancient Mars climate

Mars scientists are wrestling with a problem. Ample evidence says ancient Mars was sometimes wet, with water flowing and pooling on the planet’s surface. Yet, the ancient sun was about one-third less warm and climate modelers struggle to produce scenarios … Continue reading

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Look for life in ice-depression ‘funnels’?

A strangely shaped depression on Mars could be a new place to look for signs of life on the Red Planet, according to a University of Texas at Austin-led study. The depression was probably formed by a volcano beneath a … Continue reading

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Looking for Mars life with lidar

A sensing technique that the U.S. military currently uses to remotely monitor the air to detect potentially life-threatening chemicals, toxins, and pathogens has inspired a new instrument that could “sniff” for life on Mars and other targets in the solar … Continue reading

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Earthquakes, ‘Marsquakes,’ and possible life

A new study shows that rocks formed by the grinding together of other rocks during earthquakes are rich in trapped hydrogen — a finding that suggests similar seismic activity on Mars may produce enough hydrogen to support life. Researchers from … Continue reading

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Rocks in Chile help the search for Mars life

Robots like Viking, Phoenix, and Curiosity have found indirect evidence of oxalate minerals on Mars. New techniques tested in the Chile’s Atacama Desert could help future Mars rovers analyze these minerals for possible by-products of life. Organic oxalates tie up … Continue reading

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Evidence of Mars life hard to find at impact sites?

Scientists suggest signs of life from under Mars’ surface may not survive in rocks excavated by some meteorite impacts. Scientists analysing samples from Mars’ surface have so far not conclusively detected organic compounds that are indigenous to Mars, which would … Continue reading

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Maars on Mars: Valuable sites in the search for traces of past Martian life

Planetary Geomorphology Image of the Month, April 29, 2016: Sandro Rossato (University of Padova, Italy). Terrestrial maar-diatremes are small volcanoes (see this previous post for a general description) which have craters whose floor lies below the pre-eruptive surface and are … Continue reading

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Did early bombardment boost life’s chances?

Comets and asteroids as large as West Virginia smacking into Mars some 4 billion years ago could have created a haven for life there not so long after the birth of the solar system. The ancient impacts some 4 billion … Continue reading

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Antarctic fungi survive Martian conditions for 18 months on ISS

European scientists have gathered tiny fungi that take shelter in Antarctic rocks and sent them to the International Space Station. After 18 months on board in conditions similar to those on Mars, more than 60% of their cells remained intact, … Continue reading

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