There may be a new target in the search for alien life on Mars: meteorites that landed on the planet billions of years ago when there may have been microbes living on the surface
Meteorites found on the surface of Mars may contain fossilised evidence of life – which could be investigated by current and future rovers on the Red Planet.
When meteorites fall on Earth they are known to experience rapid contamination by microbes. These can leave telltale markers of their presence behind. For instance, some may burrow into the meteorite and create microscopic tunnels. Others might subtly change the chemical composition of the rock. But it was unclear how successfully meteorites might preserve this evidence. …App + Web
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