NASA’s InSight craft lands on Mars after nail-biting descent. [Image source/TODAY YouTube video]
Remembering 1968: Apollo 8 on its way to the moon. [Image source/CBS Sunday Morning YouTube video]
New images from the NASA Curiosity Mars rover. [Image source/IC Devices YouTube video]
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Photogallery - Humans want to colonize Mars but a former NASA astronaut is critical about the very idea