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Apollo 11 at 50: Celebrating first steps on another world
Hundreds of millions tuned in to radios or watched the grainy black-and-white images on TV as Apollo 11's Neil Armstrong and Buzz Aldrin set foot on the moon on July 20, 1969, in one of humanity's most glorious technological achievements.
Look up! It’s a satellite!
On any given night, if it is dark and with little moonlight, you can easily see several satellites – launched to orbit Earth for various purposes.
Meet America’s daring frigate captains
In the War of 1812, Britain’s powerful Royal Navy met its match in a determined band of U.S. Navy warship commanders.
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