Until now, scientists believed that Mars’ skylights – pits in the surface of mars – were formed by volcanic activity. But data from Nasa’s orbiters suggests there are karst caves – underground bunkers ...
The United States is stepping back from the most direct test yet of possible alien biology on Mars just as new telescopes and ...
The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential Earth-bound risks. Instead it’s to answer a single, simple question: Is ...
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