NASA’s Curiosity Mars rover set out to answer a big question when it landed on the Red Planet 10 years ago: Could Mars have supported ancient life? Scientists have discovered the answer is yes and have been working to learn more about the planet’s past habitable environment.
In this Mars Report, Curiosity Deputy Project Scientist Abigail Fraeman provides an update on the rover’s capabilities a decade after landing in Gale Crater. Now, Curiosity is heading to an area that may help answer how long ancient life could have persisted on the Red Planet as Mars went through significant changes in the climate.
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Mars Is ‘Irrelevant to Us’ If Earth Is Doomed, Author of Legendary Mars Trilogy Says
"At a 2015 talk, one example Robinson offered centered on the discovery of the widespread abundance in Martian dust of perchlorate—a chlorine in the form of a salt that is poisonous to humans in the parts per billion range. "
The perchlorate which is poisonous to us as humans raises the massive difficulty of terraforming.