The untold story behind the devastating mission. The CNN Original Series Space Shuttle Columbia: The Final Flight premieres Sunday, April 7 at 9p ET/PT on CNN. | CNN

This week, as we remember those lost in the pursuit of space exploration, take a look back at the tragic aftermath of the Columbia Space Shuttle's explosion over Texas in 2003. Learn more Sunday 9/8c on The Strange Truth. | National Geographic TV

263K views · 2.1K reactions | "It is the worst disaster in the history of the American space program." ABC News coverage from this day in 1986, when seven astronauts died as the space shuttle Challenger exploded after liftoff from Cape Canaveral. https://abcn.ws/310q57b | ABC News | Facebook

REMEMBERING COLUMBIA: On February 1, 2003, these brave astronauts lost their lives in the Space Shuttle Columbia tragedy. Today, we honor and remember them. Where were you when it happened? http://at.wftv.com/2kW1ZV1 | WFTV Channel 9