Data from the Mars Express orbiter has been used to create a visualization of "a vast system of deep and steep valleys that ...
The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too ...
The Space Race on MSN
How NASA plans to 3D print buildings on Mars
NASA believes 3D printing is the most practical way to build long-term habitats on Mars without shipping massive structures ...
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