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Tag Archives: life
Micrometeorites: Key nutrient source for Mars life?
[Editor’s note: From a paper by Andrew Tomkins and six co-authors recently published in the Journal of Geophysical Research.] High survivability of micrometeorites on Mars: Sites with enhanced availability of limiting nutrients • Micrometeorites are predicted to be far more … Continue reading
Posted in Reports
Tagged life, meteorites, microbial life, micrometorites, micronutrients, nutrients
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Would Mars life be shaped like fettuccine?
A rover scanning the surface of Mars for evidence of life might want to check for rocks that look like pasta, researchers report in the journal Astrobiology. The bacterium that controls the formation of such rocks on Earth is ancient … Continue reading
Posted in Reports
Tagged hot springs, hydrothermal systems, life, Sulfurihydrogenibium yellowstonense
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Hunting for biosignatures in volcanic rocks
[Editor’s note: From a paper by Magnus Ivarsson, Therese Sallstedt, and Diana-Thean Carlsson recently published in Frontiers in Earth Science.] Morphological Biosignatures in Volcanic Rocks – Applications for Life Detection on Mars The exploration of Mars is largely based on comparisons with … Continue reading
Posted in Reports
Tagged biosignatures, ESA, European Space Agency, ExoMars, ExoMars 2020, ExoMars 2020 rover, Jet Propulsion Laboratory, Jezero Crater, JPL, life, M2020, Mars 2020, Mars 2020 rover, microbial life, NASA, Oxia Planum, Rosalind Franklin, subsurface life, volcanic rocks
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Could detoxing Mars soil lead to new medicines?
Bacterial resistance to antibiotics is one of humankind’s major long-term health challenges. Now research into helping humans live on Mars could help address this looming problem. Dennis Claessen, associate professor at the Institute of Biology in Leiden University, the Netherlands … Continue reading
Posted in Reports
Tagged bacteria, ESA, European Space Agency, life, microbial life, perchlorates, subsurface life
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Can organisms survive on Mars, and can we identify them?
Earth is a very special planet. It is the only celestial body in the Solar System on which we know life exists. Could there be life on other planets or moons? Mars is always the first to be mentioned in … Continue reading
Posted in Reports
Tagged astrobiology, BIOlogy and Mars EXperiment, BIOMEX, DLR, German Aerospace Center, International Space Station, ISS, life, microbial life
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Asteroid impacts+hydrogen = recipe for Mars life
A new study reveals asteroid impacts on ancient Mars could have produced key ingredients for life if the Martian atmosphere was rich in hydrogen. An early hydrogen-rich atmosphere on Mars could also explain how the planet remained habitable after its … Continue reading
Posted in Reports
Tagged asteroid belt, asteroid impacts, bolide impacts, giant impacts, hydrogen, impacts, life, nitrates, nitrites, nitrogen
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How should astronauts search for life on Mars?
An international team of researchers, which includes scientists from McMaster’s School of Geography & Earth Sciences, NASA, and others, is tackling one of the biggest problems of space travel to Mars: what happens when we get there? A series of … Continue reading
Posted in Reports
Tagged BASALT program, Biologic Analog Science Associated with Lava Terrains, Canadian Space Agency, CSA, human exploration, life, microbial life, NASA, organic biomarkers
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Field test: Robotic rover collects subsurface samples with patchy, specialized microbial life
[Editor’s note: From a paper by Kimberley Warren-Rhodes and eight co-authors recently published in Frontiers in Microbiology.] Subsurface Microbial Habitats in an Extreme Desert Mars-Analog Environment Sediments in the hyper-arid core of the Atacama Desert are a terrestrial analog to … Continue reading
What two planetary siblings can teach us about life
Mars and Earth are like two siblings who have grown apart. There was a time when their resemblance was uncanny: Both were warm, wet and shrouded in thick atmospheres. But 3 or 4 billion years ago, these two worlds took … Continue reading
Posted in Reports
Tagged climate change, Earth, Elysium Planitia, InSight, Interior Exploration Using Seismic Investigations Geodesy and Heat Transport, Jet Propulsion Laboratory, JPL, life, NASA
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Rain brings death in Mars-like Atacama desert
When rains fell on the arid Atacama Desert, it was reasonable to expect floral blooms to follow. Instead, the water brought death. An international team of planetary astrobiologists has found that after encountering never-before-seen rainfall three years ago at the … Continue reading