1980s

On January 28, 1986, the tenth mission of the space shuttle Challenger ended in tragic disaster. We remember the seven astronauts who lost their lives that day, including Christa McAuliffe, who was chosen by NASA to pioneer its Teacher in Space program.

Seventy three seconds after take off the Space Shuttle Challenger encounters unexpected disaster. Find out more in this clip from Season 1, "Challenger Disaster."

Learn about the Iran-Contra Affair under President Reagan who secretly supported an anti-Communist group in Nicaragua and funneled weapons to Iranian terrorists in exchange for American hostages. Discover how Lt. Col. Oliver North was found guilty.