Science Dec 05

Can humans become a multi-planet species?

NASA astrobiologist Chris McKay travels the most remote parts of Earth to understand how life might survive on other planets. But he’s also investigating another potential life form in space: humans. Can humans become a multi-planet species, he asks. Can…

Science Dec 03

Photos: NASA prepares Orion to send humans to Mars

It will take a big rocket to get to Mars, and a big space capsule to protect humans during the months-long journey. It also takes decades of testing and development to plan a mission that will take humans…

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