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They're not actual spiders, of course, but rather strange geological features.
NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...
"Our work is a new piece of evidence that suggests that Mars was once a much more complex and active planet than it is now." ...
If we're to land humans on Mars in the coming decades, we'll have to know what challenges await them when they get there.
Understanding the similarities and differences of the deserts on Earth and Mars will help space travelers survive future ...
New research suggests that the thick, mineral-rich layers of clay found on Mars could hold the key to understanding whether the Red Planet ever harbored life. These layers, thought to have formed ...