Tag Archives: life

Early Mars: Right ingredients for subsurface life

A new study shows that the breakdown of water molecules trapped in ancient Martian rocks likely produced enough chemical energy to sustain microorganisms for hundreds of millions of years beneath the Red Planet’s surface. (…) “We showed, based on basic … Continue reading

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‘Black Beauty’ meteorite expands window for early Mars life

The early surface of Mars consisted of a liquid magma ocean that crystallized extremely rapidly, just 20 million year after the formation of the solar system. Thereafter, a solid crust emerged on the red planet, potentially housing oceans with water … Continue reading

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Organic matter in acidic terrestrial stream suggests where to look for life on Mars

By studying streams on the UK coast, experts have calculated how much organic matter we might find on Mars, and where to look. Dorset is home to highly acidic sulphur streams that host bacteria that thrive in extreme conditions. One … Continue reading

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Finding martian fossils: A field guide

This paper [A Field Guide to Finding Fossils on Mars, by S. McMahon, T. Bosak, J. P. Grotzinger, R. E. Milliken, R. E. Summons, M. Daye, S. A. Newman, A. Fraeman, K. H. Williford, D. E. G. Briggs, Journal of Geophysical … Continue reading

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Ancient Mars life: Clues from toxic volcanic lake?

Researchers at CU Boulder have discovered microbes living in a toxic volcanic lake that may rank as one of the harshest environments on Earth. Their findings, published recently online [in Astrobiology], could guide scientists looking for signs of ancient life on … Continue reading

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MAVEN webinar: Do habitable worlds require magnetic fields?

[The MAVEN mission is holding a public webinar on April 18, 2018, at 7 p.m. Eastern; 4 p.m. Pacific.] What does it take for a planet to be hospitable for life? Join MAVEN Co-Investigator Dr. Dave Brain of the Laboratory … Continue reading

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Dormant microbial life in Atacama Desert goes active when wet — true for Mars, too?

It may rain once a decade or less in South America’s Atacama Desert, but tiny bacteria and microorganisms survive there, hinting at the possibility of similar life on Mars, researchers said Monday. [Their report was published in the Proceedings of … Continue reading

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Is underground the best place to look for origin of Mars life?

The planet Mars has long drawn interest from scientists and non-scientists as a possible place to search for evidence of life beyond Earth because the surface contains numerous familiar features such as dried river channels and dried lake beds that … Continue reading

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New, low-cost life detection instruments tested at Canadian Arctic Mars analog sites

Researchers demonstrate for the first time the potential of existing technology to directly detect and characterize life on Mars and other planets. The study, published in Frontiers in Microbiology, used miniaturized scientific instruments and new microbiology techniques to identify and … Continue reading

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Mars: not as dry as it seems

When searching for life, scientists first look for an element key to sustaining it: fresh water. Although today’s Martian surface is barren, frozen and inhabitable, a trail of evidence points to a once warmer, wetter planet, where water flowed freely. … Continue reading

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