A Gas Could Hint at Signs of Life on Mars. Why Hasn’t a New Spacecraft Found It? by KENNETH CHANG

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Two spacecraft have detected methane in the Martian air. But the Trace Gas Orbiter, with more sensitive instruments, has come up empty.

Published: April 10, 2019 at 02:00AM

from #NYT Science Read the full article here: https://nyti.ms/2IcrdhB