it is with deep, heartfelt sorrow. I address you here this afternoon at 11:40 a.m. This morning Space program experienced a national tragedy with the explosion of the space shuttle Challenger.

For millions of Americans, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy assassination and 9/11. On that chilly January day in 1986, ...

Tuesday marks the 39th anniversary of the Space Shuttle Challenger tragedy.The shuttle exploded 73 seconds after takeoff on Jan. 28, 1986.New Hampshire teacher Christa McAuliffe was one of the seven ...

If you are of a certain age, you probably recall where you were when you heard the news. That morning, the space shuttle Challenger exploded just 73 seconds after launch, killing all seven crew ...

The two tragedies weighed on the minds of agency decision-makers. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Two fatal spaceflight disasters ...

The Challenger disaster, a tragic day in space exploration history, took place on January 28, 1986. Just 73 seconds after launch, the Space Shuttle Challenger exploded, leading to the loss of seven ...

​William Lucas, who has died aged 102, was the director of Nasa’s Marshall Space Flight Center in Huntsville, Alabama, the centre responsible for the defective rocket that caused the ...

Col. Terry J. Hart, currently a Lehigh University professor of mechanical engineering, on board the Space Shuttle Challenger STS-41C in April 1984. He's launched into orbit, flown high-speed fighter ...

NASA leaders recently viewed footage of an underwater dive off the East coast of Florida, and they confirm it depicts an artifact from the space shuttle Challenger. The artifact was discovered by a TV ...

Corrections & Clarifications: An earlier version of this story misstated the date of the Space Shuttle Columbia disaster. It occurred Feb. 1, 2003. For millions of Americans, it was an event that ...