Astronauts train to scale a Mars volcano at an analogue site in France. Lava tubes that crisscross the Martian surface might provide sanctuaries for the first human explorers on the Red Planet. (Photo ...
Two new potential strategies for returning crucial samples from Mars to Earth by the 2030s are now on the table, according to NASA. The proposals present alternatives to the original Mars Sample ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Two new potential ...
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