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.

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 ...

(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 ...