Science topic

Mars Exploration

Follow the exploration of Mars through orbiters, landers and rovers, with explainers on Martian geology, climate, water and habitability.

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Essential guides to Mars Exploration

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Mars Exploration: Rovers, Missions and What We Have Learned
Space science

Mars Exploration: Rovers, Missions and What We Have Learned

Mars exploration combines orbiters, landers, rovers and laboratory analysis on Earth to reconstruct the planet's history. Missions have turned Mars from a distant reddish point into a world with mapped geology, ancient river channels,.

Space science

Is There Water on Mars?

Mars has abundant water in the form of ice and extensive geological evidence that liquid water shaped its surface in the past. The key question is no…

Space science

Could Life Exist on Mars?

Mars once had environments that could have been more favorable to life than its present surface. Geological evidence shows that liquid water existed…

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Hopelessly hoping to find life on Mars
Space science

Hopelessly hoping to find life on Mars

In the September 19 report, NASA led the analysis of data transmitted from the Curiosity vessel to show that the methane gas density in Mars atmosphere is only about 1.3…