On the 30th anniversary of the loss of space shuttle Challenger, NASA held a day of remembrance Thursday at the Kennedy Space Center in Florida, including a wreath-laying ceremony. Watch the events here.
By News Desk
For 29 years, fifth-grade teacher Michael Wilkinson has used space exploration to teach his students about math, science and the power of imagination. He shares his memories of the Challenger space shuttle disaster and why he never gave up on…
By Michael Wilkinson
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