Nasa's Curiosity rover reveals how DIRT on the surface of Mars helped form the Martian atmosphere

The comet-chasing Rosetta probe may be grabbing all the headlines, but another robotic explorer is quietly working away closer to home on the surface of Mars.
The latest data beamed back from Nasa’s Curiosity rover have shown the red planet’s crust played a key role in forming its atmosphere.
By tasting the cold Martian atmosphere for inert gasses, the rover found that levels of xenon and krypton were higher than expected.
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Nasa’s planetary scientists say the two gases can be used as tracers which can reveal more about the planet’s past.
Curiosity made measurements of... read more