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  1. Planetary Science

    The Perseverance rover caps off a month of Mars launches

    With the launch of NASA’s Perseverance rover, the rush to the Red Planet is under way.

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  2. Space

    An Antarctic ice dome may offer the world’s clearest views of the night sky

    The highest point in East Antarctica could be an ideal place for an optical telescope, a new study finds.

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  3. Animals

    A South American mouse is the world’s highest-dwelling mammal

    At 6,739 meters above sea level, the yellow-rumped leaf-eared mouse survives low oxygen and freezing conditions atop a dormant volcano.

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  4. Space

    To rehearse Perseverance’s mission, scientists pretended to be a Mars rover

    Seven Mars scientists pretended to be the Mars Perseverance rover on a training exercise in the Nevada desert.