The CNN Original Series “Space Shuttle Columbia: The Final Flight” uncovers the events that ultimately led to disaster. The four-part documentary concludes at 9 p.m. ET/PT Sunday. Perhaps more ...

He was on CNN's air for 16 consecutive hours covering the demise of the space shuttle Columbia, which broke up in the sky over Texas on Feb. 1, 2003, as it reentered Earth's atmosphere.

(CNN)-- The space shuttle Atlantis crew on ... 2004 because the trip was considered too risky after the 2003 space shuttle Columbia disaster, which killed seven astronauts. That accident was ...

HOUSTON, Texas (CNN ... of the Columbia investigation have revealed that lower-level engineers in the agency were expressing serious concerns about what might happen to the space shuttle ...

(CNN) -- Thousands of people have spent the past two years working to make the space shuttle into a safer vehicle since the loss of the Columbia in 2003. That vision will inch closer toward ...

(CNN) -- Since the loss of Columbia in 2003, thousands of people have spent the past two years working to make the space shuttle a safer vehicle. That labor inched closer to payoff Wednesday ...

Following its return to Earth after a 16-day space mission, the Space Shuttle Columbia broke apart on its journey back into the Earth's atmosphere on Feb. 1, 2003. All seven crew members were killed.

Twenty-five years ago, Space Shuttle Columbia launched the Chandra X-ray observatory and nearly ended in catastrophe. As the then-ascent flight director John Shannon observed: "Yikes. We don't ...

(CNN) -- Discovery's mission can be described in one word: safety. Its top priority after launch will be ensuring the safety of its crew and testing ways to bring a damaged space shuttle back to ...