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 ...

Astronaut Dale Gardner holds a ‘For sale’ sign referring to the two satellites retrieved during STS-51-A mission - BBC/Keo Films/NASA Space travel should by rights make for rocket-fuelled television, ...

Most people will never forget where they were when the Space Shuttle Challenger exploded 73 seconds after liftoff on January 28, 1986. Today marks the 39th anniversary of that tragic event, which took ...

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.

Read full article: INTERACTIVE: The NASA astronauts and employees who died in service to U.S. space exploration January 28th is a Day of Remembrance honoring the lives of the crew and teacher aboard ...

The Challenger disaster, a tragic day in space exploration history, took place on January 28, 1986. Just 73 seconds after ...

Author Adam Higginbotham joins John Williams to discuss his book, ‘Challenger: A True Story of Heroism and Disaster on the Edge of Space.’ Adam talks about what makes him interested in these types of ...

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 ...