A look at Flagstaff, Arizona, where Apollo 11 astronauts trained before landing on the moon

Before Neil Armstrong made that giant leap with a walk on the moon 49 years ago, he and other Apollo astronauts took smaller steps for mankind, training for the lunar landing in Flagstaff, Ariz. Read More...

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Sandbox craters reveal secrets of planetary splash marks and lost meteorites

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Meteor Crater Field Camp: Applications Now Being Accepted