A member of the Apollo 11 mission in 1969, Buzz Aldrin was the second man to walk on the moon. In the years since, he has become an advocate for space exploration and technology, calling for renewed U ...
Morning Overview on MSN
Report says first crewed Mars missions should hunt for life
The first astronauts who walk on Mars are now being told to go as planetary detectives, not just pathfinders. A sweeping new ...
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