Forty years ago, on January 28, 1986, the nation gathered to watch the Space Shuttle Challenger launch, a historic mission carrying the first "teacher in space," Christa McAuliffe. But 73 seconds into ...
Former NASA astronaut Mike Massimino, known for his work on the Hubble Space Telescope and who flew on two space missions, has weighed in on one of humanity's biggest questions: Are we alone in the ...
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