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

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 ...

The Columbia Memorial Space Center will host Astronaut Commemoration Day on Saturday, Jan. 24, offering a free, daylong ...

The 40th anniversary of the Challenger disaster cast a shadow over NASA's annual Day of Remembrance event inside the Space ...

NASA observed its annual Day of Remembrance Thursday to commemorate the astronauts killed in the Apollo 1 and space shuttle ...

We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every ...

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

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, ...