Explore the intricate journey and technology of the Space Shuttle program, including launch procedures, primarily at Kennedy ...

Add Yahoo as a preferred source to see more of our stories on Google. Forty years ago, the world watched in horror as NASA's space shuttle Challenger exploded mid-air over Florida, killing all seven ...

The STS-51L mission clears the tower at Launch Complex 39B at NASA’s Kennedy Space Center in Florida on Jan. 28, 1986. Credit: NASA / Courtesy Sign up for the Concord Monitor’s morning newsletter for ...