Methane Hints at Life on Mars
NASA scientists have discovered regularly replenished supplies of methane gas on the Red Planet. That raises two possibilities: The gas could be formed by geologic activity or, as anyone who has spent time around cows can tell you, it could be a sign of life.
NASA scientists have discovered regularly replenished supplies of methane gas on the Red Planet. That raises two possibilities: The gas could be formed by geologic activity or, as anyone who has spent time around cows can tell you, it could be a sign of life.
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Some scientists consider it possible that microbes could have survived for aeons below the Martian permafrost layer, where water changes from ice into liquid.
In deep canyons, or the walls of yawning craters, ice might plug fissures or pores connecting these sub-permafrost regions to the atmosphere.
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Freud’s insights—from his writings and exchanges with Albert Einstein more than eight decades ago—offer a crucial perspective into America’s current political crisis.
European astronomers said Monday that they may have found a celestial body with the right characteristics to host life: a "Goldilocks" planet circling a star at a distance that is not too hot, not too cold, but just right for liquid water to exist.
A NASA scientist claims to have found tiny alien fossils encased in meteorites that landed in Spain, sparking new interest in the possibility of life outside our planet.
A young biochemist has caused a ruckus in the scientific community with her claim that one of the basic elements in the formula that has long been considered to define the building blocks of life may be swapped out -- and for arsenic, no less.
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