Scientists will gather today to debate where NASA should next land on Mars, as the American space agency prepares a new mission in its search for life on the Red Planet.
The debate comes as NASA is being urged by the National Academy of Sciences to make the search for extraterrestrial life a core part of its strategy.
Around 300 scientists will make the trip to the fourth and final Mars 2020 workshop in Los Angeles, where NASA will seek opinion from the scientific community on where to land its new Mars rover in three years' time.
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