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There’s only so much time left to look for life on Mars before life arrives from Earth
JAY GORY, MANAGING EDITOR, science
STANFORD, Calif. — NASA has been looking for life on Mars for more than 40 years, but the quest could get a lot more complicated when earthly life arrives en masse, perhaps within the next decade. “There is a ticking clock now,” Princeton astrobiologist Chris Chyba said at last week’s Breakthrough Discuss conference, conducted at Stanford University. The issue has the potential to pit scientists like Chyba against rocketeers like SpaceX billionaire Elon Musk, who wants to start sending settlers to Mars by the mid-2020s. When humans and all the supplies they need start arriving by the tons, there’s a risk… Read More read more
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