Families of the astronauts lost in the space shuttle Challenger accident are marking that tragic day 40 years ago ...

The event will honor astronaut Christa McAuliffe, the first teacher selected to fly to space ...

It was a cold morning in Florida when the last words heard by any of Space Shuttle Challenger’s crew were uttered by pilot Michael Smith. The seven members of mission 51-L, the 25th space shuttle ...

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As the nation approaches the 40th anniversary of the loss of the Challenger STS-51-L crew on Jan. 28, 1986, the Challenger ...

NASA held its annual Day of Remembrance on Thursday to honor those who lost their lives in the pursuit of space exploration.

Families and friends gathered at the Kennedy Space Center to commemorate the Challenger disaster's 40th anniversary, which ...

For 73 seconds, a crowd of excited Americans looked to the sky in wonder and awe as they waved goodbye to the crew aboard ...

Sunday marks 38 years since the space shuttle Challenger lifted off on a chilly Florida morning and passed into history when the ship carrying seven astronauts -- one the first “civilian” in space, ...

In 1986, the Challenger space shuttle broke apart, claiming the lives of seven crew members. Among them was Concord High ...