On Jan. 28, 1986, the space shuttle Challenger exploded 73 seconds after liftoff from Cape Canaveral, killing all seven crew members, including schoolteacher Christa McAuliffe. This is original Eyewitness News coverage from that day. What are your memories of that sad day in American history? | ABC7NY

Remembering Christa McAuliffe 40 years after the Challenger Disaster. Christa McAuliffe was a Concord, NH teacher, chosen to become the first civilian teacher to travel to space. She was among seven crewmembers killed on January 28th, 1986 when Challenger shuttle exploded 73 seconds into its flight. McAuliffe is honored with her name gracing more than 40 schools across the U.S. and the McAuliffe-Shepard Discovery Center in Concord, NH. #challengerdisaster #christamcaullife #teacherinspace | Chro

Christa McAuliffe had hoped to inspire the young and the old to dream big and reach for the stars. 40 years after the Challenger shuttle disaster, we explore how her legacy lives on through exhibits at the McAuliffe-Shepard Discovery Center. Join us weeknights at 7p on WMUR | NH Chronicle