Actor Morgan Freeman grilled NASA astronauts on the International Space Station about how their work can get humans to Mars someday.
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NASA's Apollo 11 moon landing was a human spaceflight feat, but also a dangerous journey. See some of the scariest moments of first manned moon landing as described by space historian and science writer Rod Pyle, author of 'Destination Moon.'
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What does the site of the first moon-landing look like 45 years later? A NASA probe orbiting the moon has recently beamed back new images of what Apollo 11's Tranquility Base looks like now.
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Astronaut Kathy Sullivan poses for a picture with her space suit.
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After 21.5 hours on the moon, Apollo 11 astronauts Neil Armstrong and Buzz Aldrin blasted off from the lunar surface on July 21, 1969 to rejoin their crewmate Michael Collins in orbit.
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What does the future of moon exploration look like? Will it be lunar colonies and manned moon bases, or a desolate lunar surface devoid of human life? National and private efforts hold the key.
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It was the main event: On July 20, 1969, NASA's Apollo 11 crew touched their Eagle lander down on the lunar surface. Here's how Neil Armstrong, Buzz Aldrin and Michael Collins did it.
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On July 20, 1969, Neil Armstrong clambered down the ladder of the Apollo 11 lunar lander and pressed his boot into the moon's gray dirt — a simple step that stands as perhaps the most memorable moment in all of human history.
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On July 19, 1969, the third day of NASA's Apollo 11 moon landing mission, astronauts Neil Armstrong, Buzz Aldrin and Michael Collins made their fourth TV broadcast of the flight. This time, from near the moon.
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The moon is a tough place to explore. It's several days away from Earth. Solar radiation sears the moon's surface. Its gravity is lumpy, and there is no atmosphere to protect astronauts from the elements. See how NASA handled risk during Apollo 11 and oth
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