Could Martian atmospheric samples teach us more about the red planet than surface samples?

NASA is actively working to return surface samples from Mars in the next few years, which they hope will help us better understand whether ancient life once existed on the red planet's surface billions of years ago. But what about atmospheric samples? Could these provide scientists with better information pertaining to the history of Mars?

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Edward Young , Lunar Planetary Laboratory , University Of Arizona , Department Of Earth , Young , Mars Scout Program , European Space Agency , Space Sciences , Red Planet , European Space , Planetary Science Conference , Universe Today , Timothy Swindle , Professor Emeritus , Planetary Laboratory , Sample Collection , Scout Program , Could Martian ,